diff --git a/README.md b/README.md
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@@ -1,4 +1,11 @@
 # ob-openapi-taxonomy
+
+THIS REPOSITORY IS OLD AND INACTIVE (PLEASE DO NOT USE).
+
+The new OB Taxonomy repository is available here: https://github.com/Open-Orange-Button/Orange-Button-Taxonomy
+
+---
+
 Master Files for OB OpenAPI
 
 Includes the: