🐛 Spellcheck comments (#22496)

codespell -q 3 --builtin=clear,rare,informal,code -S ./Marlin/src/lcd/language -L alo,amin,endcode,stdio,uint

Marlin/src/HAL/STM32/HAL_MinSerial.cpp

@@ -123,7 +123,7 @@ static void TX(char c) {
     }
     regs->DR = c;
   #else
-    // Let's hope a mystical guru will fix this, one day by writting interrupt-free USB CDC ACM code (or, at least, by polling the registers since interrupt will be queued but will never trigger)
+    // Let's hope a mystical guru will fix this, one day by writing interrupt-free USB CDC ACM code (or, at least, by polling the registers since interrupt will be queued but will never trigger)
     // For now, it's completely lost to oblivion.
   #endif
 }