improve the popup branch create window

options/locale/locale_en-US.ini

@@ -1642,7 +1642,8 @@ issues.label.filter_sort.reverse_by_size = Largest size
 issues.development = Development
 issues.maybefixed = May be fixed by %s
 issues.create_branch_from_issue_success = Create branch %s from issue successfully
-issues.base_branch = Base Branch
+issues.create_branch_from_repository = Repository the branch to be created
+issues.base_branch = Base Branch in this repository
 issues.pr.completed = Completed
 issues.pr.conflicted = Merge conflicts
 issues.pr.not_exist_issue = Reference issue does not exist.