Precision on release note

Author: dazoulay-simplicite

docs/versions/release-notes/v6-3.md

@@ -1222,7 +1222,7 @@ Post-release
 - Fixed visible textarea of ​​an HTML field before tinyMCE parses its content.
 - Fixed missing Ace editor custom components for Simplicité expressions.
 - Fixed order on `select` objects' enum fields to be by code by default.
-- Fixed missing check of the mail service to enable forgot password feature.
+- Fixed missing check of the mail service to enable forgot password and/or register feature.
 - Added `ACCESS_DENIED` exception in `BusinessObject` tool to prevent missing rights on select/search/stream.
 - Fixed hidden fields on list by a front constraint.
 - Fixed empty boolean fields being set to false after a front constraint.