diff --git a/docs/source/reference/router/federation-version-support.mdx b/docs/source/reference/router/federation-version-support.mdx
index e7d7a4aa98..d6477ebce1 100644
--- a/docs/source/reference/router/federation-version-support.mdx
+++ b/docs/source/reference/router/federation-version-support.mdx
@@ -415,6 +415,9 @@ The table below shows which version of federation each router release is compile
 
 ## Federation 1 support
 
-Federation 2.x composition is backward compatible with Federation 1.x subgraph schemas, so you can use the router with any valid Federation 1.x supergraph.
+Only Apollo Router Core and GraphOS Router v1.59 and earlier support Federation v1.x supergraphs. The following _don't_ support Federation v1.x:
 
-If your Federation 1.x supergraph _doesn't_ work with the router, see possible causes in [Backward compatibility in Federation 2](/federation/federation-2/backward-compatibility/).
+- Router v1.60 and later
+- Router v2.0 and later
+
+[Learn how to upgrade from Federation version 1 to 2.](/graphos/reference/migration/to-federation-version-2)