diff --git a/docs/ENV.md b/docs/ENV.md
index 8c4f9d08..6c83da4a 100644
--- a/docs/ENV.md
+++ b/docs/ENV.md
@@ -28,4 +28,5 @@ Arguments:
 
 Notes:
  - If you want to host the images yourself. You need [Nuuls' filehost software](https://github.com/nuuls/fiehost)
+ - Other image hosting software is currently not supported.