fix doc example which illustrated "file" instead of "filename", [ticket:206]
diff --git a/mako/template.py b/mako/template.py
index a246f7e..f140a08 100644
--- a/mako/template.py
+++ b/mako/template.py
@@ -170,7 +170,7 @@
 
          from mako.template import Template
          mytemplate = Template(
-                         file="index.html",
+                         filename="index.html",
                          module_directory="/path/to/modules",
                          module_writer=module_writer
                      )