diff --git a/rfcs/0052-extensible-udt/0052-extensible-udt.md b/rfcs/0052-extensible-udt/0052-extensible-udt.md
index 9a1a8f07..fdb6a555 100644
--- a/rfcs/0052-extensible-udt/0052-extensible-udt.md
+++ b/rfcs/0052-extensible-udt/0052-extensible-udt.md
@@ -279,7 +279,7 @@ workflow.
 As described above, If an input cell uses an input lock script with same script
 hash as the owner lock script hash, the `is_owner_mode` will be set to true. It
 isn’t convenience: this requires extra cell to be consumed. With `owner_script`
-and `owner_signature` with proper values, we can use owner mode without extra
+and `owner_signature` set to proper values, we can use owner mode without extra
 cell.
 
 ```yaml