Index: config/locales/en.yml
===================================================================
--- config/locales/en.yml	(revision 13182)
+++ config/locales/en.yml	(working copy)
@@ -297,7 +297,7 @@
   field_is_filter: Used as a filter
   field_issue_to: Related issue
   field_delay: Delay
-  field_assignable: Issues can be assigned to this role
+  field_assignable: Issues can be assigned to users with this role
   field_redirect_existing_links: Redirect existing links
   field_estimated_hours: Estimated time
   field_column_names: Columns
Index: config/locales/ja.yml
===================================================================
--- config/locales/ja.yml	(revision 13182)
+++ config/locales/ja.yml	(working copy)
@@ -316,7 +316,7 @@
   field_is_filter: フィルタとして使う
   field_issue_to: 関連するチケット
   field_delay: 遅延
-  field_assignable: このロールにチケットを割り当て可能
+  field_assignable: このロールのユーザーにチケットを割り当て可能
   field_redirect_existing_links: 既存のリンクをリダイレクトする
   field_estimated_hours: 予定工数
   field_column_names: 項目