typo :o

git-svn-id: https://svn.code.sf.net/p/rathena/svn/trunk@13579 54d463be-8e91-2dee-dedb-b68131a5f0ec

npc/custom/platinum_skills.txt

@@ -100,6 +100,6 @@ prontera,128,200,6	script	Platinum Skill NPC	94,{
 		close;
 	}
 	mes "[Platinum Skill NPC]";
-	mes "Im sorry, but there is no special skills that I can give you.";
+	mes "I'm sorry, but there are no special skills that I can give you.";
 	close;
-}
+}