diff --git a/newgrf/47477019/versions/20230925T002322Z.yaml b/newgrf/47477019/versions/20230925T002322Z.yaml
index f487f9362..de4151a3a 100644
--- a/newgrf/47477019/versions/20230925T002322Z.yaml
+++ b/newgrf/47477019/versions/20230925T002322Z.yaml
@@ -13,3 +13,11 @@ compatibility:
 - name: "vanilla"
   conditions:
   - ">= 12.0"
+
+description: |-
+  Landscape, terrain and vegetation tile and overlap objects borrowed from and inspired by the OpenGFX base graphics set.
+
+  Author: Garry G, with credit to Romazoon, McZapkie, Fridaemon, Temporal8 and others for coding and graphics.
+
+  Version 5 released on September 20, 2023.
+  WARNING: Updating or replacing object files in existing games and scenarios may lead to graphical glitches or game corruption. There is no guarantee of save-game compatibility.