semantic changes in language.h

Marlin/language.h

@@ -82,14 +82,14 @@
 	#define MSG_PREHEAT_PLA2 "Preheat PLA 3"
 	#define MSG_PREHEAT_PLA012 "Preheat PLA All"
 	#define MSG_PREHEAT_PLA_BEDONLY "Preheat PLA Bed"
-	#define MSG_PREHEAT_PLA_SETTINGS "Preheat PLA Conf"
+	#define MSG_PREHEAT_PLA_SETTINGS "Preheat PLA conf"
 	#define MSG_PREHEAT_ABS "Preheat ABS"
 	#define MSG_PREHEAT_ABS0 "Preheat ABS 1"
 	#define MSG_PREHEAT_ABS1 "Preheat ABS 2"
 	#define MSG_PREHEAT_ABS2 "Preheat ABS 3"
 	#define MSG_PREHEAT_ABS012 "Preheat ABS All"
 	#define MSG_PREHEAT_ABS_BEDONLY "Preheat ABS Bed"
-	#define MSG_PREHEAT_ABS_SETTINGS "Preheat ABS Conf"
+	#define MSG_PREHEAT_ABS_SETTINGS "Preheat ABS conf"
 	#define MSG_COOLDOWN "Cooldown"
 	#define MSG_SWITCH_PS_ON "Switch power on"
 	#define MSG_SWITCH_PS_OFF "Switch power off"