diff --git a/klippy/chelper/__init__.py b/klippy/chelper/__init__.py
index 671a5d2b..2aed107a 100644
--- a/klippy/chelper/__init__.py
+++ b/klippy/chelper/__init__.py
@@ -274,7 +274,7 @@ FFI_main = None
 FFI_lib = None
 pyhelper_logging_callback = None
 
-# Hepler invoked from C errorf() code to log errors
+# Helper invoked from C errorf() code to log errors
 def logging_callback(msg):
     logging.error(FFI_main.string(msg))
 
diff --git a/klippy/extras/angle.py b/klippy/extras/angle.py
index 3b1f323e..73af67ca 100644
--- a/klippy/extras/angle.py
+++ b/klippy/extras/angle.py
@@ -97,7 +97,7 @@ class AngleCalibration:
                 return None
         return self.mcu_stepper.mcu_to_commanded_position(self.mcu_pos_offset)
     def load_calibration(self, angles):
-        # Calculate linear intepolation calibration buckets by solving
+        # Calculate linear interpolation calibration buckets by solving
         # linear equations
         angle_max = 1 << ANGLE_BITS
         calibration_count = 1 << CALIBRATION_BITS
diff --git a/klippy/extras/bed_mesh.py b/klippy/extras/bed_mesh.py
index 3f0498ff..a8e5764c 100644
--- a/klippy/extras/bed_mesh.py
+++ b/klippy/extras/bed_mesh.py
@@ -34,7 +34,7 @@ def constrain(val, min_val, max_val):
 def lerp(t, v0, v1):
     return (1. - t) * v0 + t * v1
 
-# retreive commma separated pair from config
+# retrieve comma separated pair from config
 def parse_config_pair(config, option, default, minval=None, maxval=None):
     pair = config.getintlist(option, (default, default))
     if len(pair) != 2:
@@ -54,7 +54,7 @@ def parse_config_pair(config, option, default, minval=None, maxval=None):
                 % (option, str(maxval)))
     return pair
 
-# retreive commma separated pair from a g-code command
+# retrieve comma separated pair from a g-code command
 def parse_gcmd_pair(gcmd, name, minval=None, maxval=None):
     try:
         pair = [int(v.strip()) for v in gcmd.get(name).split(',')]
@@ -74,7 +74,7 @@ def parse_gcmd_pair(gcmd, name, minval=None, maxval=None):
                              % (name, maxval))
     return pair
 
-# retreive commma separated coordinate from a g-code command
+# retrieve comma separated coordinate from a g-code command
 def parse_gcmd_coord(gcmd, name):
     try:
         v1, v2 = [float(v.strip()) for v in gcmd.get(name).split(',')]
@@ -914,7 +914,7 @@ class ProbeManager:
         for i in range(y_cnt):
             for j in range(x_cnt):
                 if not i % 2:
-                    # move in positive directon
+                    # move in positive direction
                     pos_x = min_x + j * x_dist
                 else:
                     # move in negative direction
@@ -1164,7 +1164,7 @@ class ProbeManager:
 
     def _gen_arc(self, origin, radius, start, step, count):
         end = start + step * count
-        # create a segent for every 3 degress of travel
+        # create a segent for every 3 degrees of travel
         for angle in range(start, end, step):
             rad = math.radians(angle % 360)
             opp = math.sin(rad) * radius
diff --git a/klippy/extras/display/__init__.py b/klippy/extras/display/__init__.py
index 1cea00e0..da0e861c 100644
--- a/klippy/extras/display/__init__.py
+++ b/klippy/extras/display/__init__.py
@@ -12,7 +12,7 @@ def load_config_prefix(config):
     if not config.has_section('display'):
         raise config.error(
             "A primary [display] section must be defined in printer.cfg "
-            "to use auxilary displays")
+            "to use auxiliary displays")
     name = config.get_name().split()[-1]
     if name == "display":
         raise config.error(
diff --git a/klippy/extras/display/font8x14.py b/klippy/extras/display/font8x14.py
index 3d16ee25..66592edb 100644
--- a/klippy/extras/display/font8x14.py
+++ b/klippy/extras/display/font8x14.py
@@ -13,7 +13,7 @@
 # ftp://ftp.simtel.net/pub/simtelnet/msdos/screen/fntcol16.zip
 # (c) Joseph Gil
 #
-# Indivdual fonts are public domain
+# Individual fonts are public domain
 ######################################################################
 
 VGA_FONT = [
diff --git a/klippy/extras/firmware_retraction.py b/klippy/extras/firmware_retraction.py
index bcecf8f2..da0d67af 100644
--- a/klippy/extras/firmware_retraction.py
+++ b/klippy/extras/firmware_retraction.py
@@ -43,7 +43,7 @@ class FirmwareRetraction:
         self.unretract_length = (self.retract_length
                                  + self.unretract_extra_length)
         self.is_retracted = False
-    cmd_GET_RETRACTION_help = ("Report firmware retraction paramters")
+    cmd_GET_RETRACTION_help = ("Report firmware retraction parameters")
     def cmd_GET_RETRACTION(self, gcmd):
         gcmd.respond_info("RETRACT_LENGTH=%.5f RETRACT_SPEED=%.5f"
                           " UNRETRACT_EXTRA_LENGTH=%.5f UNRETRACT_SPEED=%.5f"
diff --git a/klippy/extras/htu21d.py b/klippy/extras/htu21d.py
index 01b3750d..688338d9 100644
--- a/klippy/extras/htu21d.py
+++ b/klippy/extras/htu21d.py
@@ -158,7 +158,7 @@ class HTU21D:
 
     def _sample_htu21d(self, eventtime):
         try:
-            # Read Temeprature
+            # Read Temperature
             if self.hold_master_mode:
                 params = self.i2c.i2c_write([HTU21D_COMMANDS['HTU21D_TEMP']])
             else:
diff --git a/klippy/extras/load_cell.py b/klippy/extras/load_cell.py
index 4117a92c..5ef2c5b7 100644
--- a/klippy/extras/load_cell.py
+++ b/klippy/extras/load_cell.py
@@ -53,7 +53,7 @@ class ApiClientHelper(object):
         wh = self.printer.lookup_object('webhooks')
         wh.register_mux_endpoint(path, key, value, self._add_webhooks_client)
 
-# Class for handling commands related ot load cells
+# Class for handling commands related to load cells
 class LoadCellCommandHelper:
     def __init__(self, config, load_cell):
         self.printer = config.get_printer()
diff --git a/klippy/extras/palette2.py b/klippy/extras/palette2.py
index ec8631b0..4fe72080 100644
--- a/klippy/extras/palette2.py
+++ b/klippy/extras/palette2.py
@@ -235,7 +235,7 @@ class Palette2:
         "Initialize the print, and check connection with the Palette 2")
 
     def cmd_O1(self, gcmd):
-        logging.info("Initializing print with Pallete 2")
+        logging.info("Initializing print with Palette 2")
         if not self._check_P2(gcmd):
             raise self.printer.command_error(
                 "Cannot initialize print, palette 2 is not connected")
diff --git a/klippy/extras/quad_gantry_level.py b/klippy/extras/quad_gantry_level.py
index 7c6febcb..98cd53c5 100644
--- a/klippy/extras/quad_gantry_level.py
+++ b/klippy/extras/quad_gantry_level.py
@@ -1,4 +1,4 @@
-# Mechanicaly conforms a moving gantry to the bed with 4 Z steppers
+# Mechanically conforms a moving gantry to the bed with 4 Z steppers
 #
 # Copyright (C) 2018  Maks Zolin <mzolin@vorondesign.com>
 #
diff --git a/klippy/extras/resonance_tester.py b/klippy/extras/resonance_tester.py
index a4d3876f..ff32dcac 100644
--- a/klippy/extras/resonance_tester.py
+++ b/klippy/extras/resonance_tester.py
@@ -295,7 +295,7 @@ class ResonanceTester:
         return parsed_chips
     def _get_max_calibration_freq(self):
         return 1.5 * self.generator.get_max_freq()
-    cmd_TEST_RESONANCES_help = ("Runs the resonance test for a specifed axis")
+    cmd_TEST_RESONANCES_help = ("Runs the resonance test for a specified axis")
     def cmd_TEST_RESONANCES(self, gcmd):
         # Parse parameters
         axis = _parse_axis(gcmd, gcmd.get("AXIS").lower())
@@ -345,7 +345,7 @@ class ResonanceTester:
             gcmd.respond_info(
                     "Resonances data written to %s file" % (csv_name,))
     cmd_SHAPER_CALIBRATE_help = (
-        "Simular to TEST_RESONANCES but suggest input shaper config")
+        "Similar to TEST_RESONANCES but suggest input shaper config")
     def cmd_SHAPER_CALIBRATE(self, gcmd):
         # Parse parameters
         axis = gcmd.get("AXIS", None)
diff --git a/klippy/extras/sht3x.py b/klippy/extras/sht3x.py
index 79cd7bfe..c76ceb76 100644
--- a/klippy/extras/sht3x.py
+++ b/klippy/extras/sht3x.py
@@ -100,12 +100,12 @@ class SHT3X:
         self.i2c.i2c_write_wait_ack(
             SHT3X_CMD['PERIODIC']['2HZ']['HIGH_REP']
         )
-        # Wait <=15.5ms for first measurment
+        # Wait <=15.5ms for first measurement
         self.reactor.pause(self.reactor.monotonic() + .0155)
 
     def _sample_sht3x(self, eventtime):
         try:
-            # Read measurment
+            # Read measurement
             retries = 5
             params = None
             error = None
diff --git a/klippy/extras/smart_effector.py b/klippy/extras/smart_effector.py
index 4b90c309..3caa4e6b 100644
--- a/klippy/extras/smart_effector.py
+++ b/klippy/extras/smart_effector.py
@@ -129,7 +129,7 @@ class SmartEffectorProbe:
         start_time = toolhead.get_last_move_time()
         # Write generated bits to the control pin
         end_time = self.control_pin.write_bits(start_time, bit_stream)
-        # Dwell to make sure no subseqent actions are queued together
+        # Dwell to make sure no subsequent actions are queued together
         # with the SmartEffector programming
         toolhead.dwell(end_time - start_time)
         toolhead.wait_moves()
diff --git a/klippy/extras/sos_filter.py b/klippy/extras/sos_filter.py
index 8c405782..293b2258 100644
--- a/klippy/extras/sos_filter.py
+++ b/klippy/extras/sos_filter.py
@@ -116,7 +116,7 @@ class FixedPointSosFilter:
                 if col != 3:  # omit column 3
                     fixed_coeff = to_fixed_32(coeff, self._coeff_int_bits)
                     fixed_section.append(fixed_coeff)
-                elif coeff != 1.0:  # double check colum 3 is always 1.0
+                elif coeff != 1.0:  # double check column 3 is always 1.0
                     raise ValueError("Coefficient 3 is expected to be 1.0"
                                      " but was %f" % (coeff,))
             sos_fixed.append(fixed_section)
diff --git a/klippy/extras/temperature_probe.py b/klippy/extras/temperature_probe.py
index 05eac34e..c480ddae 100644
--- a/klippy/extras/temperature_probe.py
+++ b/klippy/extras/temperature_probe.py
@@ -408,7 +408,7 @@ class TemperatureProbe:
         except self.printer.command_error:
             self._finalize_drift_cal(False, "Error during initial move")
             raise
-        # Caputure start position and begin initial probe
+        # Capture start position and begin initial probe
         toolhead = self.printer.lookup_object("toolhead")
         self.start_pos = toolhead.get_position()[:2]
         manual_probe.ManualProbeHelper(
@@ -637,7 +637,7 @@ class EddyDriftCompensation:
         gcode = self.printer.lookup_object("gcode")
         if len(cal_samples) < 3:
             raise gcode.error(
-                "calbration error, not enough samples"
+                "calibration error, not enough samples"
             )
         min_temp, _ = cal_samples[0][0]
         max_temp, _ = cal_samples[-1][0]
@@ -687,7 +687,7 @@ class EddyDriftCompensation:
         return self._calc_freq(freq, origin_temp, self.cal_temp)
 
     def unadjust_freq(self, freq, dest_temp=None):
-        # Given a frequency and its orignal sampled temp, find the
+        # Given a frequency and its original sampled temp, find the
         # offset frequency based on the current temp
         if not self.enabled or freq < self.min_freq:
             return freq
@@ -703,7 +703,7 @@ class EddyDriftCompensation:
             low_freq = poly(origin_temp)
             if freq >= low_freq:
                 if high_freq is None:
-                    # Freqency above max calibration value
+                    # Frequency above max calibration value
                     err = poly(dest_temp) - low_freq
                     return freq + err
                 t = min(1., max(0., (freq - low_freq) / (high_freq - low_freq)))
diff --git a/klippy/extras/thermistor.py b/klippy/extras/thermistor.py
index 16d6ca61..db26b50c 100644
--- a/klippy/extras/thermistor.py
+++ b/klippy/extras/thermistor.py
@@ -15,7 +15,7 @@ class Thermistor:
         self.inline_resistor = inline_resistor
         self.c1 = self.c2 = self.c3 = 0.
     def setup_coefficients(self, t1, r1, t2, r2, t3, r3, name=""):
-        # Calculate Steinhart-Hart coefficents from temp measurements.
+        # Calculate Steinhart-Hart coefficients from temp measurements.
         # Arrange samples as 3 linear equations and solve for c1, c2, and c3.
         inv_t1 = 1. / (t1 - KELVIN_TO_CELSIUS)
         inv_t2 = 1. / (t2 - KELVIN_TO_CELSIUS)
@@ -40,7 +40,7 @@ class Thermistor:
         self.c2 = (inv_t12 - self.c3 * ln3_r12) / ln_r12
         self.c1 = inv_t1 - self.c2 * ln_r1 - self.c3 * ln3_r1
     def setup_coefficients_beta(self, t1, r1, beta):
-        # Calculate equivalent Steinhart-Hart coefficents from beta
+        # Calculate equivalent Steinhart-Hart coefficients from beta
         inv_t1 = 1. / (t1 - KELVIN_TO_CELSIUS)
         ln_r1 = math.log(r1)
         self.c3 = 0.
diff --git a/klippy/stepper.py b/klippy/stepper.py
index 09f3dad9..86a92358 100644
--- a/klippy/stepper.py
+++ b/klippy/stepper.py
@@ -86,7 +86,7 @@ class MCU_stepper:
         if self._step_pulse_duration > MIN_BOTH_EDGE_DURATION:
             # If user has requested a very large step pulse duration
             # then disable step on both edges (rise and fall times may
-            # not be symetric)
+            # not be symmetric)
             want_both_edges = False
         elif sbe and self._step_pulse_duration>MIN_OPTIMIZED_BOTH_EDGE_DURATION:
             # Older MCU and user has requested large pulse duration
diff --git a/klippy/webhooks.py b/klippy/webhooks.py
index ddba60d9..9e17177a 100644
--- a/klippy/webhooks.py
+++ b/klippy/webhooks.py
@@ -12,7 +12,7 @@ except ImportError:
     import json
 
     # Json decodes strings as unicode types in Python 2.x.  This doesn't
-    # play well with some parts of Klipper (particuarly displays), so we
+    # play well with some parts of Klipper (particularly displays), so we
     # need to create an object hook. This solution borrowed from:
     #
     # https://stackoverflow.com/questions/956867/
diff --git a/scripts/filter_workbench.ipynb b/scripts/filter_workbench.ipynb
index e912ee86..1e1adfe7 100644
--- a/scripts/filter_workbench.ipynb
+++ b/scripts/filter_workbench.ipynb
@@ -69,7 +69,7 @@
    "metadata": {},
    "source": [
     "## Sensor Information\n",
-    "Fill out the sensor's sample frequency, in samples per second, below. This must match the frquency of the captured data in `probe_data`."
+    "Fill out the sensor's sample frequency, in samples per second, below. This must match the frequency of the captured data in `probe_data`."
    ]
   },
   {
@@ -104,7 +104,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "# set filter settig here. If you dont want a filter to be used, assign `None` to it\n",
+    "# set filter setting here. If you dont want a filter to be used, assign `None` to it\n",
     "drift_filter_cutoff_frequency = 0.8\n",
     "buzz_filter_cutoff_frequency = 150.0\n",
     "notch_filter_frequencies = [50.0, 60.0]\n",
@@ -182,7 +182,7 @@
     "### Calculate Filter Initial Consitions (zi)\n",
     "This block automatically calculates the filters starting conditions using `signal.sosfilt_zi`.\n",
     "\n",
-    "On the MCU, the tare functionality zeros out the grams value so the inital zi matrix doesnt have to be calculated and there will be no filter settling time."
+    "On the MCU, the tare functionality zeros out the grams value so the initial zi matrix doesnt have to be calculated and there will be no filter settling time."
    ]
   },
   {
@@ -214,7 +214,7 @@
    "metadata": {},
    "source": [
     "## Display Filter Frequency Response\n",
-    "This block plots the filter's response to sinals from 0 up to the [nyquist frequency]() which is 1/2 the `sensor_frequency`. "
+    "This block plots the filter's response to signals from 0 up to the [nyquist frequency]() which is 1/2 the `sensor_frequency`. "
    ]
   },
   {
@@ -260,7 +260,7 @@
     "## Test Filter Performance\n",
     "Test `filter_design` on `probe_data`. This shows plots of the filters performance when filtering the force graph in `probe_data`.\n",
     "\n",
-    "To help decorate the graphs please prvide the desired trigger threashold of the probe:"
+    "To help decorate the graphs please provide the desired trigger threshold of the probe:"
    ]
   },
   {
@@ -339,7 +339,7 @@
    "metadata": {},
    "source": [
     "#### `force` vs force filtered with `filter_design`\n",
-    "In this graph we are looking to see the 'Filtered Force' line remain inside the red lines denoting the trigger force. A Properly filtered force grpah will be horizontal."
+    "In this graph we are looking to see the 'Filtered Force' line remain inside the red lines denoting the trigger force. A Properly filtered force graph will be horizontal."
    ]
   },
   {
diff --git a/scripts/flash-sdcard.sh b/scripts/flash-sdcard.sh
index 08886409..6a08eab1 100755
--- a/scripts/flash-sdcard.sh
+++ b/scripts/flash-sdcard.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-#  This script launches flash_sdcard.py, a utitlity that enables
+#  This script launches flash_sdcard.py, a utility that enables
 #  unattended firmware updates on boards with "SD Card" bootloaders
 
 # Non-standard installations may need to change this location
diff --git a/scripts/graph_shaper.py b/scripts/graph_shaper.py
index 0ea19458..b9a6627c 100755
--- a/scripts/graph_shaper.py
+++ b/scripts/graph_shaper.py
@@ -20,7 +20,7 @@ SHAPER_DAMPING_RATIO=0.1
 STEP_SIMULATION_RESONANCE_FREQ=60.
 STEP_SIMULATION_DAMPING_RATIO=0.15
 
-# If set, defines which range of frequencies to plot shaper frequency responce
+# If set, defines which range of frequencies to plot shaper frequency response
 PLOT_FREQ_RANGE = []  # If empty, will be automatically determined
 #PLOT_FREQ_RANGE = [10., 100.]
 
@@ -159,7 +159,7 @@ def find_shaper_plot_range(shaper, vib_tol):
     return (left, right)
 
 def gen_shaper_response(shaper):
-    # Calculate shaper vibration responce on a range of requencies
+    # Calculate shaper vibration response on a range of frequencies
     response = []
     freqs = []
     freq, freq_end = find_shaper_plot_range(shaper, vib_tol=0.25)
diff --git a/scripts/motan/readlog.py b/scripts/motan/readlog.py
index 4c078c9b..43c01619 100644
--- a/scripts/motan/readlog.py
+++ b/scripts/motan/readlog.py
@@ -234,7 +234,7 @@ class HandleStepQ:
                 step_data.append((step_time, step_halfpos, step_pos))
 LogHandlers["stepq"] = HandleStepQ
 
-# Extract tmc currect and stallguard data from the log
+# Extract tmc current and stallguard data from the log
 class HandleStallguard:
     SubscriptionIdParts = 2
     ParametersMin = 2
diff --git a/scripts/spi_flash/spi_flash.py b/scripts/spi_flash/spi_flash.py
index 2a4b48ad..e45e0b7c 100644
--- a/scripts/spi_flash/spi_flash.py
+++ b/scripts/spi_flash/spi_flash.py
@@ -46,7 +46,7 @@ def calc_crc7(data, with_padding=True):
         crc ^= b & 0xFF
         for i in range(8):
             crc = (crc << 1) ^ poly if crc & 0x80 else crc << 1
-    # The sdcard protocol likes the crc left justfied with a
+    # The sdcard protocol likes the crc left justified with a
     # padded bit
     if not with_padding:
         return crc
@@ -566,7 +566,7 @@ class SDCardSPI:
             # At this time MMC is not supported
             if len(resp) == 5:
                 if self.sd_version == 1 and resp[0] == 1:
-                    # Check acceptable volatage range for V1 cards
+                    # Check acceptable voltage range for V1 cards
                     if resp[2] != 0xFF:
                         raise OSError("flash_sdcard: card does not support"
                                       " 3.3v range")
@@ -903,7 +903,7 @@ class SDCardSDIO:
                                   " out of IDLE after reset")
             if len(resp) == 4:
                 if self.sd_version == 1:
-                    # Check acceptable volatage range for V1 cards
+                    # Check acceptable voltage range for V1 cards
                     if resp[1] != 0xFF:
                         raise OSError("flash_sdcard: card does not support"
                                       " 3.3v range")
@@ -1643,7 +1643,7 @@ def main():
     logging.basicConfig(level=log_level)
     flash_args = board_defs.lookup_board(args.board)
     if flash_args is None:
-        output_line("Unable to find defintion for board: %s" % (args.board,))
+        output_line("Unable to find definition for board: %s" % (args.board,))
         sys.exit(-1)
     flash_args['device'] = args.device
     flash_args['baud'] = args.baud
diff --git a/scripts/update_chitu.py b/scripts/update_chitu.py
index a1ef4d8b..cf7fcfe9 100755
--- a/scripts/update_chitu.py
+++ b/scripts/update_chitu.py
@@ -76,7 +76,7 @@ def encode_file(input, output_file, file_length):
 
     xor_crc = 0xef3d4323;
 
-    # the input file is exepcted to be in chunks of 0x800
+    # the input file is expected to be in chunks of 0x800
     # so round the size
     while len(input_file) % block_size != 0:
         input_file.extend(b'0x0')