🐛 Spellcheck comments (#22496)

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

Marlin/src/gcode/calibrate/G76_M192_M871.cpp

@@ -47,7 +47,7 @@
  *    Compensation values are deltas to first probe measurement at bed temp. = 60°C.
  *  - The hotend will not be heated at any time.
  *  - On my Průša MK3S clone I put a piece of paper between the probe and the hotend
- *    so the hotend fan would not cool my probe constantly. Alternativly you could just
+ *    so the hotend fan would not cool my probe constantly. Alternatively you could just
  *    make sure the fan is not running while running the calibration process.
  *
  *  Probe calibration: