diff --git a/src/v2/spec.yaml b/src/v2/spec.yaml
index 05ebe9b..6f7d529 100644
--- a/src/v2/spec.yaml
+++ b/src/v2/spec.yaml
@@ -1198,10 +1198,13 @@ components:
           description: URL of the post to get the next frame
     FrameButtonActionType:
       type: string
+      description: The action type of a frame button. Action types "mint" & "link" are to be handled on the client side only and so they will produce a no/op for POST /farcaster/frame/action.
       enum:
         - post
         - post_redirect
         - tx
+        - link
+        - mint
     FrameInput:
       type: object
       properties: