diff --git a/docs/patterns/wtforms.rst b/docs/patterns/wtforms.rst
index b94b4156..29dc65d1 100644
--- a/docs/patterns/wtforms.rst
+++ b/docs/patterns/wtforms.rst
@@ -95,7 +95,7 @@ takes advantage of the `_formhelpers.html` template:
 .. sourcecode:: html+jinja
 
     {% from "_formhelpers.html" import render_field %}
-    <form method="POST" action="/register">
+    <form method="post" action="/register">
       <dl>
         {{ render_field(form.username) }}
         {{ render_field(form.email) }}