diff --git a/docs/scripting/functions/IsPlayerInGangZone.md b/docs/scripting/functions/IsPlayerInGangZone.md
index cf2dfdd19..3fcb0d0d6 100644
--- a/docs/scripting/functions/IsPlayerInGangZone.md
+++ b/docs/scripting/functions/IsPlayerInGangZone.md
@@ -29,6 +29,12 @@ This function is for open.mp, not SA-MP. To use with SA-MP, you need the [YSF](h
 
 :::
 
+:::warning
+
+This function cannot be used without [UseGangZoneCheck](UseGangZoneCheck) being called first.
+
+:::
+
 ## Related Functions
 
 - [GangZoneDestroy](GangZoneDestroy): Destroy a gangzone.