diff --git a/Config/phpcs.xml b/Config/phpcs.xml
index abe09b1..fdc93aa 100644
--- a/Config/phpcs.xml
+++ b/Config/phpcs.xml
@@ -92,6 +92,7 @@
 </rule>
 <rule ref="PEAR.Classes.ClassDeclaration"/>
 <rule ref="PEAR.Commenting.FunctionComment">
+    <severity>3</severity>
     <exclude-pattern>*/tests/*</exclude-pattern><!-- Tests don't need comments -->
 </rule>
 <rule ref="PEAR.Commenting.InlineComment"/>