Documentation typo

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53357 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ext/tk/README.macosx-aqua

@@ -10,7 +10,7 @@ This is a known bug of Ruby-1.8.4 release.
 When you meet the trouble on your GUI, you'll be able to avoid the trouble
 by Tcl/Tk's traditional dialogs.
 If you want to do that, please call some of the following bits of script
-after "reqruie 'tk'".
+after "require 'tk'".
 
 =================================================================
 # use a traditional dialog for Tk.chooseColor()