format Prepping Reference table
diff --git a/user_guide_src/source/libraries/form_validation.rst b/user_guide_src/source/libraries/form_validation.rst
index e5f6824..0dbb446 100644
--- a/user_guide_src/source/libraries/form_validation.rst
+++ b/user_guide_src/source/libraries/form_validation.rst
@@ -883,26 +883,15 @@
The following is a list of all the prepping functions that are available
to use:
-Name
-Parameter
-Description
-**xss_clean**
-No
-Runs the data through the XSS filtering function, described in the
-:doc:`Input Class <input>` page.
-**prep_for_form**
-No
-Converts special characters so that HTML data can be shown in a form
-field without breaking it.
-**prep_url**
-No
-Adds "http://" to URLs if missing.
-**strip_image_tags**
-No
-Strips the HTML from image tags leaving the raw URL.
-**encode_php_tags**
-No
-Converts PHP tags to entities.
+==================== ========= ===================================================================================================
+Name Parameter Description
+============================== ===================================================================================================
+**xss_clean** No Runs the data through the XSS filtering function, described in the :doc:`Input Class <input>` page.
+**prep_for_form** No Converts special characters so that HTML data can be shown in a form field without breaking it.
+**prep_url** No Adds "http://" to URLs if missing.
+**strip_image_tags** No Strips the HTML from image tags leaving the raw URL.
+**encode_php_tags** No Converts PHP tags to entities.
+==================== ========= ===================================================================================================
.. note:: You can also use any native PHP functions that permit one
parameter, like trim, htmlspecialchars, urldecode, etc.