Merge pull request #2728 from benwong/patch-2

Spelling correction in itunes control function.

plugins/osx/osx.plugin.zsh

@@ -184,7 +184,7 @@ function itunes() {
 			return 0
 			;;
 		*)
-			print "Unkonwn option: $opt"
+			print "Unknown option: $opt"
 			return 1
 			;;
 	esac