diff --git a/website/versioned_sidebars/version-2.2.0-sidebars.json b/website/versioned_sidebars/version-2.2.0-sidebars.json
index 353f7a075b45..f83101311ed4 100644
--- a/website/versioned_sidebars/version-2.2.0-sidebars.json
+++ b/website/versioned_sidebars/version-2.2.0-sidebars.json
@@ -73,6 +73,7 @@
             "guides/markdown-features/links",
             "guides/markdown-features/plugins",
             "guides/markdown-features/math-equations",
+            "guides/markdown-features/diagrams",
             "guides/markdown-features/head-metadata"
           ]
         },