Correct some mistakes

Marlin/Configuration.h

 
 // The Elefu RA Board Control Panel
 // http://www.elefu.com/index.php?route=product/product&product_id=53
-// REMEMBER TO INSTALL LiquidCrystal_I2C.h in your ARUDINO library folder: https://github.com/kiyoshigawa/LiquidCrystal_I2C
+// REMEMBER TO INSTALL LiquidCrystal_I2C.h in your ARDUINO library folder: https://github.com/kiyoshigawa/LiquidCrystal_I2C
 //#define RA_CONTROL_PANEL
 
 //automatic expansion

Marlin/example_configurations/SCARA/Configuration.h

 
 // The Elefu RA Board Control Panel
 // http://www.elefu.com/index.php?route=product/product&product_id=53
-// REMEMBER TO INSTALL LiquidCrystal_I2C.h in your ARUDINO library folder: https://github.com/kiyoshigawa/LiquidCrystal_I2C
+// REMEMBER TO INSTALL LiquidCrystal_I2C.h in your ARDUINO library folder: https://github.com/kiyoshigawa/LiquidCrystal_I2C
 //#define RA_CONTROL_PANEL
 
 //automatic expansion

Marlin/example_configurations/delta/Configuration.h

 
 // The Elefu RA Board Control Panel
 // http://www.elefu.com/index.php?route=product/product&product_id=53
-// REMEMBER TO INSTALL LiquidCrystal_I2C.h in your ARUDINO library folder: https://github.com/kiyoshigawa/LiquidCrystal_I2C
+// REMEMBER TO INSTALL LiquidCrystal_I2C.h in your ARDUINO library folder: https://github.com/kiyoshigawa/LiquidCrystal_I2C
 //#define RA_CONTROL_PANEL
 
 // Delta calibration menu

Marlin/example_configurations/makibox/Configuration.h

 
 // The Elefu RA Board Control Panel
 // http://www.elefu.com/index.php?route=product/product&product_id=53
-// REMEMBER TO INSTALL LiquidCrystal_I2C.h in your ARUDINO library folder: https://github.com/kiyoshigawa/LiquidCrystal_I2C
+// REMEMBER TO INSTALL LiquidCrystal_I2C.h in your ARDUINO library folder: https://github.com/kiyoshigawa/LiquidCrystal_I2C
 //#define RA_CONTROL_PANEL
 
 //automatic expansion

Marlin/example_configurations/tvrrug/Round2/Configuration.h

 
 // The Elefu RA Board Control Panel
 // http://www.elefu.com/index.php?route=product/product&product_id=53
-// REMEMBER TO INSTALL LiquidCrystal_I2C.h in your ARUDINO library folder: https://github.com/kiyoshigawa/LiquidCrystal_I2C
+// REMEMBER TO INSTALL LiquidCrystal_I2C.h in your ARDUINO library folder: https://github.com/kiyoshigawa/LiquidCrystal_I2C
 //#define RA_CONTROL_PANEL
 
 //automatic expansion

Marlin/language_it.h

 #define MSG_AUTOSTART                       "Autostart"
 #define MSG_DISABLE_STEPPERS                "Disabilita Motori"
 #define MSG_AUTO_HOME                       "Auto Home"
-#define MSG_SET_HOME_OFFSETS                "Set home offsets"
+#define MSG_SET_HOME_OFFSETS                "Setta offset home"
 #define MSG_SET_ORIGIN                      "Imposta Origine"
 #define MSG_PREHEAT_PLA                     "Preriscalda PLA"
 #define MSG_PREHEAT_PLA0                    "Preriscalda PLA 1"
 #define MSG_PREHEAT_PLA1                    "Preriscalda PLA 2"
 #define MSG_PREHEAT_PLA2                    "Preriscalda PLA 3"
-#define MSG_PREHEAT_PLA012                  "Preris. PLA Tutto"
-#define MSG_PREHEAT_PLA_BEDONLY             "Preri. PLA Piatto"
-#define MSG_PREHEAT_PLA_SETTINGS            "Preris. PLA Conf"
+#define MSG_PREHEAT_PLA012                  "Prer. PLA Tutto"
+#define MSG_PREHEAT_PLA_BEDONLY             "Prer. PLA Piatto"
+#define MSG_PREHEAT_PLA_SETTINGS            "Config. prer. PLA"
 #define MSG_PREHEAT_ABS                     "Preriscalda ABS"
 #define MSG_PREHEAT_ABS0                    "Preriscalda ABS 1"
 #define MSG_PREHEAT_ABS1                    "Preriscalda ABS 2"
 #define MSG_PREHEAT_ABS2                    "Preriscalda ABS 3"
-#define MSG_PREHEAT_ABS012                  "Preris. ABS Tutto"
-#define MSG_PREHEAT_ABS_BEDONLY             "Preri. ABS Piatto"
-#define MSG_PREHEAT_ABS_SETTINGS            "Preris. ABS Conf"
+#define MSG_PREHEAT_ABS012                  "Prer. ABS Tutto"
+#define MSG_PREHEAT_ABS_BEDONLY             "Prer. ABS Piatto"
+#define MSG_PREHEAT_ABS_SETTINGS            "Config. prer. ABS"
 #define MSG_COOLDOWN                        "Raffredda"
-#define MSG_SWITCH_PS_ON                    "Switch Power On"
-#define MSG_SWITCH_PS_OFF                   "Switch Power Off"
+#define MSG_SWITCH_PS_ON                    "Accendi aliment."
+#define MSG_SWITCH_PS_OFF                   "Spegni aliment."
 #define MSG_EXTRUDE                         "Estrudi"
 #define MSG_RETRACT                         "Ritrai"
 #define MSG_MOVE_AXIS                       "Muovi Asse"
-#define MSG_MOVE_X                          "Move X"
-#define MSG_MOVE_Y                          "Move Y"
-#define MSG_MOVE_Z                          "Move Z"
-#define MSG_MOVE_E                          "Extruder"
-#define MSG_MOVE_E1                         "Extruder2"
-#define MSG_MOVE_E2                         "Extruder3"
-#define MSG_MOVE_01MM                       "Move 0.1mm"
-#define MSG_MOVE_1MM                        "Move 1mm"
-#define MSG_MOVE_10MM                       "Move 10mm"
+#define MSG_MOVE_X                          "Muovi X"
+#define MSG_MOVE_Y                          "Muovi Y"
+#define MSG_MOVE_Z                          "Muovi Z"
+#define MSG_MOVE_E                          "Estrusore"
+#define MSG_MOVE_E1                         "Estrusore 2"
+#define MSG_MOVE_E2                         "Estrusore 3"
+#define MSG_MOVE_01MM                       "Muovi di 0.1mm"
+#define MSG_MOVE_1MM                        "Muovi di   1mm"
+#define MSG_MOVE_10MM                       "Muovi di  10mm"
 #define MSG_SPEED                           "Velcità"
 #define MSG_NOZZLE                          "Ugello"
 #define MSG_NOZZLE1                         "Ugello2"
 #define MSG_MAX                             " \002 Max:"
 #define MSG_FACTOR                          " \002 Fact:"
 #define MSG_AUTOTEMP                        "Autotemp"
-#define MSG_ON                              "On "
-#define MSG_OFF                             "Off"
+#define MSG_ON                              "ON "
+#define MSG_OFF                             "OFF"
 #define MSG_PID_P                           "PID-P"
 #define MSG_PID_I                           "PID-I"
 #define MSG_PID_D                           "PID-D"
 #define MSG_PID_C                           "PID-C"
-#define MSG_ACC                             "Accel"
+#define MSG_ACC                             "Accel."
 #define MSG_VXY_JERK                        "Vxy-jerk"
 #define MSG_VZ_JERK                         "Vz-jerk"
 #define MSG_VE_JERK                         "Ve-jerk"
 #define MSG_TEMPERATURE                     "Temperatura"
 #define MSG_MOTION                          "Movimento"
 #define MSG_VOLUMETRIC                      "Filament"
-#define MSG_VOLUMETRIC_ENABLED		        "E in mm3"
-#define MSG_FILAMENT_SIZE_EXTRUDER_0        "Fil. Dia. 1"
-#define MSG_FILAMENT_SIZE_EXTRUDER_1        "Fil. Dia. 2"
-#define MSG_FILAMENT_SIZE_EXTRUDER_2        "Fil. Dia. 3"
-#define MSG_CONTRAST                        "LCD contrast"
+#define MSG_VOLUMETRIC_ENABLED		        "E in mm³"
+#define MSG_FILAMENT_SIZE_EXTRUDER_0        "Diam. filo 1"
+#define MSG_FILAMENT_SIZE_EXTRUDER_1        "Diam. filo 2"
+#define MSG_FILAMENT_SIZE_EXTRUDER_2        "Diam. filo 3"
+#define MSG_CONTRAST                        "Contrasto LCD"
 #define MSG_STORE_EPROM                     "Salva in EEPROM"
 #define MSG_LOAD_EPROM                      "Carica da EEPROM"
 #define MSG_RESTORE_FAILSAFE                "Impostaz. default"
 #define MSG_PREPARE                         "Prepara"
 #define MSG_TUNE                            "Adatta"
 #define MSG_PAUSE_PRINT                     "Pausa"
-#define MSG_RESUME_PRINT                    "Riprendi Stampa"
-#define MSG_STOP_PRINT                      "Arresta Stampa"
+#define MSG_RESUME_PRINT                    "Riprendi stampa"
+#define MSG_STOP_PRINT                      "Arresta stampa"
 #define MSG_CARD_MENU                       "SD Card Menu"
 #define MSG_NO_CARD                         "No SD Card"
 #define MSG_DWELL                           "Sospensione..."
 #define MSG_USERWAIT                        "Attendi Utente..."
 #define MSG_RESUMING                        "Riprendi Stampa"
-#define MSG_PRINT_ABORTED                   "Print aborted"
-#define MSG_NO_MOVE                         "Nessun Movimento."
-#define MSG_KILLED                          "UCCISO. "
-#define MSG_STOPPED                         "ARRESTATO. "
+#define MSG_PRINT_ABORTED                   "Stampa abortita"
+#define MSG_NO_MOVE                         "Nessun Movimento"
+#define MSG_KILLED                          "UCCISO "
+#define MSG_STOPPED                         "ARRESTATO "
 #define MSG_CONTROL_RETRACT                 "Ritrai mm"
 #define MSG_CONTROL_RETRACT_SWAP            "Scamb. Ritrai mm"
 #define MSG_CONTROL_RETRACTF                "Ritrai  V"
 #define MSG_BABYSTEP_X                      "Babystep X"
 #define MSG_BABYSTEP_Y                      "Babystep Y"
 #define MSG_BABYSTEP_Z                      "Babystep Z"
-#define MSG_ENDSTOP_ABORT                   "Endstop abort"
+#define MSG_ENDSTOP_ABORT                   "Finecorsa abort"
 
 #define MSG_RECTRACT                        "Ritrai"
 
 #ifdef DELTA_CALIBRATION_MENU
-    #define MSG_DELTA_CALIBRATE             "Delta Calibration"
-    #define MSG_DELTA_CALIBRATE_X           "Calibrate X"
-    #define MSG_DELTA_CALIBRATE_Y           "Calibrate Y"
-    #define MSG_DELTA_CALIBRATE_Z           "Calibrate Z"
-    #define MSG_DELTA_CALIBRATE_CENTER      "Calibrate Center"
+    #define MSG_DELTA_CALIBRATE             "Calibraz. Delta"
+    #define MSG_DELTA_CALIBRATE_X           "Calibra X"
+    #define MSG_DELTA_CALIBRATE_Y           "Calibra Y"
+    #define MSG_DELTA_CALIBRATE_Z           "Calibra Z"
+    #define MSG_DELTA_CALIBRATE_CENTER      "Calibra Center"
 #endif // DELTA_CALIBRATION_MENU
 
 #endif // LANGUAGE_IT_H