diff --git a/src/lib/core/portal/README.md b/src/lib/core/portal/README.md
index fff16a0b729..f9e84739173 100644
--- a/src/lib/core/portal/README.md
+++ b/src/lib/core/portal/README.md
@@ -1 +1 @@
-See [cdk/portal](../../../cdk/portal/README.md)
+See [cdk/portal](../../../cdk/portal/portal.md)