diff --git a/Marlin/src/HAL/HAL_STM32F7/TMC2660.cpp b/Marlin/src/HAL/HAL_STM32F7/TMC2660.cpp
index 8b2c0900e5..46f02bfe5c 100644
--- a/Marlin/src/HAL/HAL_STM32F7/TMC2660.cpp
+++ b/Marlin/src/HAL/HAL_STM32F7/TMC2660.cpp
@@ -94,7 +94,7 @@
 #define STALL_GUARD_CONFIG_PATTERN 0x17F00ul
 #define STALL_GUARD_VALUE_PATTERN 0x7F00ul
 
-//definitions for the input from the TCM260
+//definitions for the input from the TMC2660
 #define STATUS_STALL_GUARD_STATUS 0x1ul
 #define STATUS_OVER_TEMPERATURE_SHUTDOWN 0x2ul
 #define STATUS_OVER_TEMPERATURE_WARNING 0x4ul
diff --git a/Marlin/src/HAL/HAL_STM32F7/TMC2660.h b/Marlin/src/HAL/HAL_STM32F7/TMC2660.h
index 095a73f1ac..4e50cfb4e2 100644
--- a/Marlin/src/HAL/HAL_STM32F7/TMC2660.h
+++ b/Marlin/src/HAL/HAL_STM32F7/TMC2660.h
@@ -33,14 +33,14 @@
 
 //! return value for TMC26XStepper.getOverTemperature() if there is a overtemperature situation in the TMC chip
 /*!
- * This warning indicates that the TCM chip is too warm.
+ * This warning indicates that the TMC chip is too warm.
  * It is still working but some parameters may be inferior.
  * You should do something against it.
  */
 #define TMC26X_OVERTEMPERATURE_PREWARING 1
 //! return value for TMC26XStepper.getOverTemperature() if there is a overtemperature shutdown in the TMC chip
 /*!
- * This warning indicates that the TCM chip is too warm to operate and has shut down to prevent damage.
+ * This warning indicates that the TMC chip is too warm to operate and has shut down to prevent damage.
  * It will stop working until it cools down again.
  * If you encouter this situation you must do something against it. Like reducing the current or improving the PCB layout
  * and/or heat management.
@@ -115,7 +115,7 @@ class TMC26XStepper {
      *
      * Keep in mind that you must also call TMC26XStepper.start() in order to configure the stepper driver for use.
      *
-     * By default the Constant Off Time chopper is used, see TCM262Stepper.setConstantOffTimeChopper() for details.
+     * By default the Constant Off Time chopper is used, see TMC26XStepper.setConstantOffTimeChopper() for details.
      * This should work on most motors (YMMV). You may want to configure and use the Spread Cycle Chopper, see  setSpreadCycleChopper().
      *
      * By default a microstepping of 1/32th is used to provide a smooth motor run, while still giving a good progression per step.