Fix "pulls.blocked_by_approvals" text (#5879)

options/locale/locale_en-US.ini

@@ -872,7 +872,7 @@ pulls.title_wip_desc = `<a href="#">Start the title with <strong>%s</strong></a>
 pulls.cannot_merge_work_in_progress = This pull request is marked as a work in progress. Remove the <strong>%s</strong> prefix from the title when it's ready
 pulls.data_broken = This pull request is broken due to missing fork information.
 pulls.is_checking = "Merge conflict checking is in progress. Try again in few moments."
-pulls.blocked_by_approvals = "This Pull Request hasn't enough approvals yet. %d of %d approvals granted."
+pulls.blocked_by_approvals = "This Pull Request doesn't have enough approvals yet. %d of %d approvals granted."
 pulls.can_auto_merge_desc = This pull request can be merged automatically.
 pulls.cannot_auto_merge_desc = This pull request cannot be merged automatically due to conflicts.
 pulls.cannot_auto_merge_helper = Merge manually to resolve the conflicts.