diff --git a/docs/Radarr/Tips/How-to-setup-language-custom-formats.md b/docs/Radarr/Tips/How-to-setup-language-custom-formats.md
index 144306b5b..6cbb8a46c 100644
--- a/docs/Radarr/Tips/How-to-setup-language-custom-formats.md
+++ b/docs/Radarr/Tips/How-to-setup-language-custom-formats.md
@@ -2,6 +2,8 @@
 
 Here we will explain how to setup your own preferred language Custom Format, with a few examples.
 
+!!! warning "Using language Custom Formats is not compatible with setting a preferred language in a quality profile in Radarr. You must use one or the other.<br>If you want to make use of the Custom Formats set the preferred language to `Any`."
+
 ## Language Examples
 
 Import the JSON in to your Custom Formats.