diff --git a/DEVELOPING.md b/DEVELOPING.md
index ee3dc3fe..b5bf9dc3 100644
--- a/DEVELOPING.md
+++ b/DEVELOPING.md
@@ -20,6 +20,10 @@ To update this folder:
 
 This will make sure things stay nice and up-to-date for users.
 
+### `/vendor` on Windows
+
+Vendetta on Windows is broken, keep this in mind while updating deps. For reference, see [dpw/vendetta#17](https://github.com/dpw/vendetta/issues/17).
+
 
 ## Fuzzing and Testing