diff --git a/markdown/footer.md b/markdown/footer.md
index 7a098768e2..0d14abf1aa 100644
--- a/markdown/footer.md
+++ b/markdown/footer.md
@@ -1,5 +1,11 @@
 --------------------
 
+## Anti-features
+
+- `⚠ ` - Depends on a proprietary service outside the user's control
+
+--------------------
+
 ## External Links
 
 **[`^        back to top        ^`](#)**