Fixed typo.

John Doe · John Doe · commit 0c8bbc7c28a9 · 2013-09-15T10:10:26.000-04:00
diff --git a/doc/en/function/scopes.md b/doc/en/function/scopes.md
@@ -206,7 +206,7 @@ this problem can easily be avoided with the help of *anonymous wrappers*.
 
 
 Unnamed functions are considered [expressions](#function.general); so in order to
-being callable, they must first be evaluated.
+be callable, they must first be evaluated.
 
     ( // evaluate the function inside the parentheses
     function() {}
