diff --git a/android/assets/jsons/Civ V - Gods & Kings/TileResources.json b/android/assets/jsons/Civ V - Gods & Kings/TileResources.json
index be62db6db1..e14ce0b676 100644
--- a/android/assets/jsons/Civ V - Gods & Kings/TileResources.json	
+++ b/android/assets/jsons/Civ V - Gods & Kings/TileResources.json	
@@ -135,7 +135,7 @@
 	{
 		"name": "Coal",
 		"resourceType": "Strategic",
-		"revealedBy": "Scientific Theory",
+		"revealedBy": "Industrialization",
 		"terrainsCanBeFoundOn": ["Grassland","Plains","Hill","Jungle","Forest","Marsh"],
 		"production": 1,
 		"improvement": "Mine",