Improve a heading (I hope)

moritz · moritz · commit 68edd4d6624c · 2015-01-27T22:13:07.000+01:00
diff --git a/lib/Language/variables.pod b/lib/Language/variables.pod
@@ -482,9 +482,7 @@ has special variables, but only has three that are extra short because
 of how often they're used. Other special variables have longer, more
 descriptive names.
 
-=head2 Often-Used Variables
-
-=comment TODO: find a better heading
+=head2 Pre-defined lexical variables
 
 There are three special variables that are available in every block:
 
