Dropping unecessary php: directive to function definitions in user guide
diff --git a/user_guide_src/source/helpers/email_helper.rst b/user_guide_src/source/helpers/email_helper.rst
index 10adf1d..b38e7ec 100644
--- a/user_guide_src/source/helpers/email_helper.rst
+++ b/user_guide_src/source/helpers/email_helper.rst
@@ -22,7 +22,7 @@
valid_email()
=============
-.. php:function:: valid_email($email)
+.. function:: valid_email($email)
:param string $email: Email address
:returns: bool
@@ -49,7 +49,7 @@
send_email()
============
-.. php:function:: send_email($recipient, $subject, $message)
+.. function:: send_email($recipient, $subject, $message)
:param string $recipient: E-mail address
:param string $subject: Mail subject