diff --git a/Marlin/src/lcd/language/language_it.h b/Marlin/src/lcd/language/language_it.h
index 2b903d80a..f7dce0709 100644
--- a/Marlin/src/lcd/language/language_it.h
+++ b/Marlin/src/lcd/language/language_it.h
@@ -262,8 +262,12 @@ namespace Language_it {
   PROGMEM Language_Str MSG_AUTOTEMP                        = _UxGT("Autotemp");
   PROGMEM Language_Str MSG_LCD_ON                          = _UxGT("On");
   PROGMEM Language_Str MSG_LCD_OFF                         = _UxGT("Off");
-  PROGMEM Language_Str MSG_PID_AUTOTUNE                    = _UxGT("PID Autotune");
-  PROGMEM Language_Str MSG_PID_AUTOTUNE_E                  = _UxGT("PID Autotune *");
+  PROGMEM Language_Str MSG_PID_AUTOTUNE                    = _UxGT("Calibrazione PID");
+  PROGMEM Language_Str MSG_PID_AUTOTUNE_E                  = _UxGT("Calibraz. PID *");
+  PROGMEM Language_Str MSG_PID_AUTOTUNE_DONE               = _UxGT("Calibr.PID eseguita");
+  PROGMEM Language_Str MSG_PID_BAD_EXTRUDER_NUM            = _UxGT("Calibrazione fallita. Estrusore errato.");
+  PROGMEM Language_Str MSG_PID_TEMP_TOO_HIGH               = _UxGT("Calibrazione fallita. Temperatura troppo alta.");
+  PROGMEM Language_Str MSG_PID_TIMEOUT                     = _UxGT("Calibrazione fallita! Tempo scaduto.");
   PROGMEM Language_Str MSG_PID_P                           = _UxGT("PID-P");
   PROGMEM Language_Str MSG_PID_P_E                         = _UxGT("PID-P *");
   PROGMEM Language_Str MSG_PID_I                           = _UxGT("PID-I");
@@ -299,6 +303,8 @@ namespace Language_it {
   PROGMEM Language_Str MSG_AMAX_EN                         = _UxGT("Amax *");
   PROGMEM Language_Str MSG_A_RETRACT                       = _UxGT("A-Ritrazione");
   PROGMEM Language_Str MSG_A_TRAVEL                        = _UxGT("A-Spostamento");
+  PROGMEM Language_Str MSG_XY_FREQUENCY_LIMIT              = _UxGT("Frequenza max");
+  PROGMEM Language_Str MSG_XY_FREQUENCY_FEEDRATE           = _UxGT("Feed min");
   PROGMEM Language_Str MSG_STEPS_PER_MM                    = _UxGT("Passi/mm");
   PROGMEM Language_Str MSG_A_STEPS                         = LCD_STR_A _UxGT("passi/mm");
   PROGMEM Language_Str MSG_B_STEPS                         = LCD_STR_B _UxGT("passi/mm");