diff --git a/Firmware/Marlin_main.cpp b/Firmware/Marlin_main.cpp
index ffb2d75d4..fd819ed25 100644
--- a/Firmware/Marlin_main.cpp
+++ b/Firmware/Marlin_main.cpp
@@ -3932,7 +3932,7 @@ extern uint8_t st_backlash_y;
 //!@n M302 - Allow cold extrudes, or set the minimum extrude S<temperature>.
 //!@n M303 - PID relay autotune S<temperature> sets the target temperature. (default target temperature = 150C)
 //!@n M304 - Set bed PID parameters P I and D
-//!@n M310 - Temperature model settings
+//!@n M310 - Thermal model settings
 //!@n M400 - Finish all moves
 //!@n M401 - Lower z-probe if present
 //!@n M402 - Raise z-probe if present
@@ -7332,7 +7332,7 @@ Sigma_Exit:
 
 #ifdef THERMAL_MODEL
     /*!
-    ### M310 - Temperature model settings <a href="https://reprap.org/wiki/G-code#M310:_Temperature_model_settings">M310: Temperature model settings</a>
+    ### M310 - Thermal model settings <a href="https://reprap.org/wiki/G-code#M310:_Temperature_model_settings">M310: Thermal model settings</a>
     #### Usage
 
         M310                                           ; report values
@@ -8880,7 +8880,7 @@ Sigma_Exit:
 
 #ifdef THERMAL_MODEL_DEBUG
     /*!
-    ## D70 - Enable low-level temperature model logging for offline simulation
+    ## D70 - Enable low-level thermal model logging for offline simulation
     #### Usage
 
         D70 [ S ]
diff --git a/Firmware/temperature.cpp b/Firmware/temperature.cpp
index 684ea8d04..82895486a 100755
--- a/Firmware/temperature.cpp
+++ b/Firmware/temperature.cpp
@@ -93,7 +93,7 @@
 #define DISABLE_TEMP_MGR_INTERRUPT() TIMSKx &= ~(1<<OCIExA)
 
 #ifdef THERMAL_MODEL
-// temperature model interface
+// thermal model interface
 #include "thermal_model.h"
 #endif
 
@@ -2365,7 +2365,7 @@ void thermal_model_set_resistance(uint8_t index, float R)
 void thermal_model_report_settings()
 {
     SERIAL_ECHO_START;
-    SERIAL_ECHOLNPGM("Temperature Model settings:");
+    SERIAL_ECHOLNPGM("Thermal Model settings:");
     for(uint8_t i = 0; i != THERMAL_MODEL_R_SIZE; ++i)
         printf_P(PSTR("%S  M310 I%u R%.2f\n"), echomagic, (unsigned)i, (double)thermal_model::data.R[i]);
     printf_P(PSTR("%S  M310 P%.2f U%.4f V%.2f C%.2f D%.4f L%u S%u B%u E%.2f W%.2f T%.2f\n"),
diff --git a/Firmware/temperature.h b/Firmware/temperature.h
index 1264439ee..e7f419a83 100755
--- a/Firmware/temperature.h
+++ b/Firmware/temperature.h
@@ -175,7 +175,7 @@ FORCE_INLINE void autotempShutdown(){
 void PID_autotune(float temp, int extruder, int ncycles);
 
 #ifdef THERMAL_MODEL
-bool thermal_model_enabled(); // return temperature model state
+bool thermal_model_enabled(); // return thermal model state
 void thermal_model_set_enabled(bool enabled);
 void thermal_model_set_warn_beep(bool enabled);
 void thermal_model_set_params(float P=NAN, float U=NAN, float V=NAN, float C=NAN, float D=NAN,
diff --git a/Firmware/util.h b/Firmware/util.h
index 26deb782a..05adf3493 100644
--- a/Firmware/util.h
+++ b/Firmware/util.h
@@ -107,7 +107,7 @@ const CalibrationStatus CALIBRATION_STATUS_SELFTEST    = 0b00000001; // Selftest
 const CalibrationStatus CALIBRATION_STATUS_XYZ         = 0b00000010; // XYZ calibration
 const CalibrationStatus CALIBRATION_STATUS_Z           = 0b00000100; // Z calibration
 #ifdef THERMAL_MODEL
-const CalibrationStatus CALIBRATION_STATUS_THERMAL_MODEL  = 0b00001000; // Temperature model calibration
+const CalibrationStatus CALIBRATION_STATUS_THERMAL_MODEL  = 0b00001000; // Thermal model calibration
 #endif
 const CalibrationStatus CALIBRATION_STATUS_LIVE_ADJUST = 0b00010000; // 1st layer calibration
 const CalibrationStatus CALIBRATION_STATUS_UNKNOWN     = 0b10000000; // Freshly assembled or unknown status
diff --git a/tools/README.md b/tools/README.md
index eb42a10c0..79227ad9c 100644
--- a/tools/README.md
+++ b/tools/README.md
@@ -67,9 +67,9 @@ Set the required TTY flags on the specified port to avoid reset-on-connect for *
 
 ### ``tml_decode``
 
-Decode (or plot) the temperature model trace from a serial log file.
+Decode (or plot) the thermal model trace from a serial log file.
 
-The TML trace needs to be enabled by issuing "M155 S1 C3" and "D70 S1" to the printer, generally followed by a temperature model calibration request "M310 A F0".
+The TML trace needs to be enabled by issuing "M155 S1 C3" and "D70 S1" to the printer, generally followed by a thermal model calibration request "M310 A F0".
 
 The parser is not strict, and will consume most serial logs with/without timestamps.