diff --git a/docs/pages/pmd/userdocs/making_rulesets.md b/docs/pages/pmd/userdocs/making_rulesets.md
index 54f176d24e..dc6a87b032 100644
--- a/docs/pages/pmd/userdocs/making_rulesets.md
+++ b/docs/pages/pmd/userdocs/making_rulesets.md
@@ -24,7 +24,7 @@ The first step is to create a new empty ruleset. You can use the following templ
 <ruleset name="Custom Rules"
     xmlns="http://pmd.sourceforge.net/ruleset/2.0.0"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://pmd.sourceforge.net/ruleset/2.0.0 http://pmd.sourceforge.net/ruleset_2_0_0.xsd">
+    xsi:schemaLocation="http://pmd.sourceforge.net/ruleset/2.0.0 https://pmd.sourceforge.net/ruleset_2_0_0.xsd">
 
     <description>
         My custom rules