diff --git a/docs.it4i/index.md b/docs.it4i/index.md
index 8de3e75471f5d922119da63027894de9ab921551..d6b8e93a88e10120722f08e763535b1ca19ffc95 100644
--- a/docs.it4i/index.md
+++ b/docs.it4i/index.md
@@ -1,3 +1,11 @@
+# Extensions {: .doctitle}
+PyMdown Extensions.
+
+---
+
+!!! Caution "Reminder"
+    Please read the [Usage Notes](usage_notes.md) for information on extension compatibility and general notes to be aware of when using these extensions.
+
 Documentation
 =============