Update MissionRotation.lua

Cosmetic

libraries/AP_Scripting/applets/MissionRotation.lua

@@ -1,6 +1,6 @@
 -- Script to load one of up to 10 mission files based on AUX switch state
 -- Always loads mission0.txt at boot, cycles missions on AUX high if held less than 3 seconds
--- Reset the mission0.txt if AUX is high for more than 3 seconds.
+-- Reset the mission0.txt if AUX is high for more than 3 seconds
 
 local MAV_SEVERITY = {EMERGENCY=0, ALERT=1, CRITICAL=2, ERROR=3, WARNING=4, NOTICE=5, INFO=6, DEBUG=7}
 local rc_switch = rc:find_channel_for_option(24)  -- AUX FUNC switch for mission loading