diff --git a/hwe/sammo/Constraint/OccupiedDestCity.php b/hwe/sammo/Constraint/OccupiedDestCity.php
index 854039c0..62e14a20 100644
--- a/hwe/sammo/Constraint/OccupiedDestCity.php
+++ b/hwe/sammo/Constraint/OccupiedDestCity.php
@@ -31,7 +31,7 @@ class OccupiedDestCity extends Constraint{
             return true;
         }
 
-        $this->reason = "아국이 아닙니다.";
+        $this->reason = "대상 도시가 아국이 아닙니다.";
         return false;
     }
 }
\ No newline at end of file