diff --git a/schema_structure.rst b/schema_structure.rst
index 80e75b23f..8f64354f6 100644
--- a/schema_structure.rst
+++ b/schema_structure.rst
@@ -1,4 +1,8 @@
 
+.. note::
+
+  This page is a work in progress.
+
 .. _schema_isolation:
 
 Schema Isolation