diff --git a/user_guide_src/source/libraries/form_validation.rst b/user_guide_src/source/libraries/form_validation.rst
index c288cc8..dd3ffbb 100644
--- a/user_guide_src/source/libraries/form_validation.rst
+++ b/user_guide_src/source/libraries/form_validation.rst
@@ -116,7 +116,7 @@
 The Controller
 ==============
 
-Using a text editor, create a controller called form.php. In it, place
+Using a text editor, create a controller called Form.php. In it, place
 this code and save it to your application/controllers/ folder::
 
 	<?php