Fixed #4180 -- Fixed docstring typo noticed by Gary Wilson.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@5117 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/template/__init__.py

@@ -204,7 +204,7 @@ class Lexer(object):
     def create_token(self, token_string, in_tag):
         """
         Convert the given token string into a new Token object and return it.
-        If tag is True, we are processing something that matched a tag,
+        If in_tag is True, we are processing something that matched a tag,
         otherwise it should be treated as a literal string.
         """
         if in_tag: