diff --git a/1.3/Defs/ThingDef/ThingDef_Weapons.xml b/1.3/Defs/ThingDef/ThingDef_Weapons.xml
index 1ebce07..c9a19c3 100644
--- a/1.3/Defs/ThingDef/ThingDef_Weapons.xml
+++ b/1.3/Defs/ThingDef/ThingDef_Weapons.xml
@@ -1456,7 +1456,7 @@
   <ThingDef ParentName="PN_BaseGun">
     <defName>PN_PrototypeRailGun</defName>
     <label>PnL prototype rail gun</label>
-    <description>An experimental railgun that fires powerful explosions in a narrow area.</description>
+    <description>An experimental railgun that fires powerful explosions in a narrow area.\nOnce fired, it will break down and cannot be used.</description>
     <tickerType>Normal</tickerType>
     <techLevel>Spacer</techLevel>
     <graphicData>
diff --git a/Content/Languages/Korean (한국어)/DefInjected/ThingDef/Paniel the Automata Beta 1.3 - 2577447997.xml b/Content/Languages/Korean (한국어)/DefInjected/ThingDef/Paniel the Automata Beta 1.3 - 2577447997.xml
index 4dce233..815b713 100644
--- a/Content/Languages/Korean (한국어)/DefInjected/ThingDef/Paniel the Automata Beta 1.3 - 2577447997.xml	
+++ b/Content/Languages/Korean (한국어)/DefInjected/ThingDef/Paniel the Automata Beta 1.3 - 2577447997.xml	
@@ -178,8 +178,8 @@
   <PN_Bullet_LSW_EMP.label>멀티런쳐 유탄</PN_Bullet_LSW_EMP.label>
   <PN_Bullet_LSW_Smoke.label>멀티런쳐 유탄</PN_Bullet_LSW_Smoke.label>
   <PN_Bullet_LSW_FF.label>멀티런쳐 유탄</PN_Bullet_LSW_FF.label>
-  <PN_PrototypeRailGun.label>PnL 시제형 레일건</PN_PrototypeRailGun.label>
-  <PN_PrototypeRailGun.description>좁은 범위에 강력한 폭발을 일으키는 실험용 레일건.</PN_PrototypeRailGun.description>
+  <PN_PrototypeRailGun.label>PnL 프로토타입 레일건</PN_PrototypeRailGun.label>
+  <PN_PrototypeRailGun.description>좁은 범위에 강력한 폭발을 일으키는 실험용 레일건.\n한 번 발사하면 고장나서 쓸 수 없습니다.</PN_PrototypeRailGun.description>
   <PN_PrototypeRailGun.tools.0.label>총열</PN_PrototypeRailGun.tools.0.label>
   <PN_Bullet_RailGun.label>시제형 레일건탄</PN_Bullet_RailGun.label>
   <PN_PsychicAmplifier.label>오토마톤 정신력 증폭기</PN_PsychicAmplifier.label>