diff --git a/newgrf/47474750/global.yaml b/newgrf/47474750/global.yaml
index 7ecd62b1e..dc8ff5b61 100644
--- a/newgrf/47474750/global.yaml
+++ b/newgrf/47474750/global.yaml
@@ -1,3 +1,8 @@
-name: "AuzCarParksAndSubwayOverlays"
-description: "Has animated Car Parking Zones, roadways, bus zones, Subway Overlaps and more"
+name: "AuzObjects Car Parks"
+description: |-
+  Australian-style objects for car parks, such as parking zones, bus zones, loading areas, roadways, and overlays for subway/metro station tiles.
+
+  Author: GarryG, with credit to Pyoro, Fridaemon, John Fister and others for coding and graphics assistance.
 url: "https://www.tt-forums.net/viewtopic.php?f=26&t=75657"
+regions:
+- "AU"
diff --git a/newgrf/47474750/versions/20200422T144457Z.yaml b/newgrf/47474750/versions/20200422T144457Z.yaml
index 57b42a7b2..606650929 100644
--- a/newgrf/47474750/versions/20200422T144457Z.yaml
+++ b/newgrf/47474750/versions/20200422T144457Z.yaml
@@ -13,3 +13,4 @@ compatibility:
 - name: "vanilla"
   conditions:
   - ">= 1.6.0"
+  - "< 12.0"
diff --git a/newgrf/47474750/versions/20230924T234417Z.yaml b/newgrf/47474750/versions/20230924T234417Z.yaml
index 40d15a530..b6b669cac 100644
--- a/newgrf/47474750/versions/20230924T234417Z.yaml
+++ b/newgrf/47474750/versions/20230924T234417Z.yaml
@@ -19,4 +19,7 @@ description: |-
   Australian-style objects for car parks, such as parking zones, bus zones, loading areas, roadways, and overlays for subway/metro station tiles.
 
   Author: GarryG, with credit to Pyoro, Fridaemon, John Fister and others for coding and graphics assistance.
+
+  Version 11 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
 url: "https://www.tt-forums.net/viewtopic.php?t=75657"