diff --git a/masterlist.yaml b/masterlist.yaml
index 1bd00ca..f56700a 100644
--- a/masterlist.yaml
+++ b/masterlist.yaml
@@ -41,6 +41,10 @@ prelude:
       type: warn
       content: 'When using **%1%**, it''s recommended that you deactivate or delete this ESP file but keep the resources (e.g. meshes, textures) installed with this mod.'
 
+    - &deprecated
+      type: warn
+      content: 'This file is deprecated and should no longer be used.'
+
     - &essentialFiles
       type: warn
       content: 'Another mod seems to be overwriting one of this mod''s essential files. Please ensure you''re using this mod''s version of %1% or a compatible version if available.'