diff --git a/Documentation/SubmitChecklist b/Documentation/SubmitChecklist
index da10e0714241fbef07ac394a741e3276723591fb..21f0795af20f1a6a3c34569f10ac05d72e8b75b4 100644
--- a/Documentation/SubmitChecklist
+++ b/Documentation/SubmitChecklist
@@ -67,6 +67,8 @@ kernel patches.
 
 19: All new userspace interfaces are documented in Documentation/ABI/.
     See Documentation/ABI/README for more information.
+    Patches that change userspace interfaces should be CCed to
+    linux-api@vger.kernel.org.
 
 20: Check that it all passes `make headers_check'.