diff --git a/docs/_data/sidebars/pmd_sidebar.yml b/docs/_data/sidebars/pmd_sidebar.yml
index 3e812c5ffe..a010920dfb 100644
--- a/docs/_data/sidebars/pmd_sidebar.yml
+++ b/docs/_data/sidebars/pmd_sidebar.yml
@@ -244,6 +244,9 @@ entries:
         - title: Best Practices
           output: web, pdf
           url: /pmd_rules_kotlin_bestpractices.html
+        - title: Error Prone
+          output: web, pdf
+          url: /pmd_rules_kotlin_errorprone.html
     - title: null
       output: web, pdf
       subfolders: