diff --git a/src/main/resources/mapping.json b/src/main/resources/mapping.json
index a69d8d6..af1be8e 100644
--- a/src/main/resources/mapping.json
+++ b/src/main/resources/mapping.json
@@ -46,9 +46,9 @@
     "PacketPlayOutHeldItemChange": "0x48",
     "PacketPlayOutPlayerListHeaderFooter": "0x5F",
     "PacketPlayOutResourcePackSend": "0x3C",
-	  "ClientboundSetTitlesAnimationPacket": "0x5B", 
-	  "ClientboundSetTitleTextPacket": "0x5A",
-	  "ClientboundSetTitleTextPacket": "0x58",
+    "ClientboundSetTitlesAnimationPacket": "0x5B", 
+    "ClientboundSetTitleTextPacket": "0x5A",
+    "ClientboundSetSubtitleTextPacket": "0x58",
     "ClientboundClearTitlesPacket": "0x10"
   },
   "StatusIn": {
@@ -59,4 +59,4 @@
     "PacketStatusOutResponse": "0x00",
     "PacketStatusOutPong": "0x01"
   }
-}
\ No newline at end of file
+}