missed year

Author: piratabrasileiro1

topics/goldsrc/index.md

@@ -4,4 +4,4 @@ short_description: GoldSource is a game engine created by Valve Corporation, bas
 topic: goldsrc
 wikipedia_url: https://en.wikipedia.org/wiki/Goldsrc
 ---
-GoldSource is a game engine created by Valve Corporation, based on the original Quake engine.
+GoldSource is a 1998 game engine created by Valve Corporation, based on the original Quake engine used by half-life 1.