Fix error in example config file
@@ -378,7 +378,7 @@ http-protocol yes
# /path/file.json - JSON (JavaScript Object Notation)
# /path/file.html - HTML
#
-#output-format /path/file.html
+# output /path/file.html
# Ignore request's query string.
# i.e., www.google.com/page.htm?query => www.google.com/page.htm
