diff --git a/Marlin/tmc_util.cpp b/Marlin/tmc_util.cpp
index d7e3c737b5..e2d60bf7a6 100644
--- a/Marlin/tmc_util.cpp
+++ b/Marlin/tmc_util.cpp
@@ -227,11 +227,11 @@ void _tmc_say_axis(const TMC_AxisEnum axis) {
 
 void _tmc_say_current(const TMC_AxisEnum axis, const uint16_t curr) {
   _tmc_say_axis(axis);
-  SERIAL_ECHOLNPAIR(" axis driver current: ", curr);
+  SERIAL_ECHOLNPAIR(" driver current: ", curr);
 }
 void _tmc_say_otpw(const TMC_AxisEnum axis, const bool otpw) {
   _tmc_say_axis(axis);
-  SERIAL_ECHOPGM(" axis temperature prewarn triggered: ");
+  SERIAL_ECHOPGM(" temperature prewarn triggered: ");
   serialprintPGM(otpw ? PSTR("true") : PSTR("false"));
   SERIAL_EOL();
 }
@@ -241,11 +241,11 @@ void _tmc_say_otpw_cleared(const TMC_AxisEnum axis) {
 }
 void _tmc_say_pwmthrs(const TMC_AxisEnum axis, const uint32_t thrs) {
   _tmc_say_axis(axis);
-  SERIAL_ECHOLNPAIR(" stealthChop max speed set to ", thrs);
+  SERIAL_ECHOLNPAIR(" stealthChop max speed: ", thrs);
 }
 void _tmc_say_sgt(const TMC_AxisEnum axis, const int8_t sgt) {
   _tmc_say_axis(axis);
-  SERIAL_ECHOPGM(" driver homing sensitivity set to ");
+  SERIAL_ECHOPGM(" homing sensitivity: ");
   SERIAL_PRINTLN(sgt, DEC);
 }
 
@@ -312,7 +312,7 @@ void _tmc_say_sgt(const TMC_AxisEnum axis, const int8_t sgt) {
 
   #if ENABLED(HAVE_TMC2130)
     static void tmc_status(TMC2130Stepper &st, const TMC_debug_enum i) {
-      switch(i) {
+      switch (i) {
         case TMC_PWM_SCALE: SERIAL_PRINT(st.PWM_SCALE(), DEC); break;
         case TMC_TSTEP: SERIAL_ECHO(st.TSTEP()); break;
         case TMC_SGT: SERIAL_PRINT(st.sgt(), DEC); break;
@@ -321,7 +321,7 @@ void _tmc_say_sgt(const TMC_AxisEnum axis, const int8_t sgt) {
       }
     }
     static void tmc_parse_drv_status(TMC2130Stepper &st, const TMC_drv_status_enum i) {
-      switch(i) {
+      switch (i) {
         case TMC_STALLGUARD: if (st.stallguard()) SERIAL_CHAR('X'); break;
         case TMC_SG_RESULT:  SERIAL_PRINT(st.sg_result(), DEC);   break;
         case TMC_FSACTIVE:   if (st.fsactive())   SERIAL_CHAR('X'); break;
@@ -331,7 +331,7 @@ void _tmc_say_sgt(const TMC_AxisEnum axis, const int8_t sgt) {
   #endif
   #if ENABLED(HAVE_TMC2208)
     static void tmc_status(TMC2208Stepper &st, const TMC_debug_enum i) {
-      switch(i) {
+      switch (i) {
         case TMC_TSTEP: { uint32_t data = 0; st.TSTEP(&data); SERIAL_PROTOCOL(data); break; }
         case TMC_PWM_SCALE: SERIAL_PRINT(st.pwm_scale_sum(), DEC); break;
         case TMC_STEALTHCHOP: serialprintPGM(st.stealth() ? PSTR("true") : PSTR("false")); break;
@@ -341,7 +341,7 @@ void _tmc_say_sgt(const TMC_AxisEnum axis, const int8_t sgt) {
       }
     }
     static void tmc_parse_drv_status(TMC2208Stepper &st, const TMC_drv_status_enum i) {
-      switch(i) {
+      switch (i) {
         case TMC_T157: if (st.t157()) SERIAL_CHAR('X'); break;
         case TMC_T150: if (st.t150()) SERIAL_CHAR('X'); break;
         case TMC_T143: if (st.t143()) SERIAL_CHAR('X'); break;
@@ -354,7 +354,7 @@ void _tmc_say_sgt(const TMC_AxisEnum axis, const int8_t sgt) {
   template <typename TMC>
   static void tmc_status(TMC &st, const TMC_AxisEnum axis, const TMC_debug_enum i, const float spmm) {
     SERIAL_ECHO('\t');
-    switch(i) {
+    switch (i) {
       case TMC_CODES: _tmc_say_axis(axis); break;
       case TMC_ENABLED: serialprintPGM(st.isEnabled() ? PSTR("true") : PSTR("false")); break;
       case TMC_CURRENT: SERIAL_ECHO(st.getCurrent()); break;
@@ -383,7 +383,7 @@ void _tmc_say_sgt(const TMC_AxisEnum axis, const int8_t sgt) {
         break;
       case TMC_TPWMTHRS_MMS: {
           uint32_t tpwmthrs_val = st.TPWMTHRS();
-          tpwmthrs_val ? SERIAL_ECHO(12650000UL * st.microsteps() / (256 * tpwmthrs_val * spmm)) : SERIAL_CHAR('-');
+          tpwmthrs_val ? SERIAL_ECHO(12650000UL * st.microsteps() / (256 * tpwmthrs_val * spmm)) : (void)SERIAL_CHAR('-');
         }
         break;
       case TMC_OTPW: serialprintPGM(st.otpw() ? PSTR("true") : PSTR("false")); break;
@@ -399,7 +399,7 @@ void _tmc_say_sgt(const TMC_AxisEnum axis, const int8_t sgt) {
   template <typename TMC>
   static void tmc_parse_drv_status(TMC &st, const TMC_AxisEnum axis, const TMC_drv_status_enum i) {
     SERIAL_CHAR('\t');
-    switch(i) {
+    switch (i) {
       case TMC_DRV_CODES:     _tmc_say_axis(axis);  break;
       case TMC_STST:          if (st.stst())         SERIAL_CHAR('X'); break;
       case TMC_OLB:           if (st.olb())          SERIAL_CHAR('X'); break;