diff --git a/rfc/provisional_features.md b/rfc/provisional_features.md
index 86c26b3..16947a4 100644
--- a/rfc/provisional_features.md
+++ b/rfc/provisional_features.md
@@ -1,3 +1,7 @@
+- Alternative names
+  - Experimental features
+  - Unstable features
+
 - Abstract
 
   Currently, the api for all new features in JupyterLab has to be frozen within the span of a single PR. This is due to the fact that we follow semver; breaking changes may only occur on the occasion of a major version bump.