Improved finalize documentation.

--HG-- branch : trunk
pallets · Jan 24, 2010 · d9ea26e · d9ea26e
1 parent 55494e4
commit d9ea26e
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/jinja2/environment.py b/jinja2/environment.py
@@ -152,8 +152,9 @@ class Environment(object):
             undefined values in the template.
 
         `finalize`
-            A callable that finalizes the variable.  Per default no finalizing
-            is applied.
+            A callable that can be used to process the result of a variable
+            expression before it is output.  For example one can convert
+            `None` implicitly into an empty string here.
 
         `autoescape`
             If set to true the XML/HTML autoescaping feature is enabled.