diff --git a/homeassistant/loader.py b/homeassistant/loader.py
index 6a8131d2454..6c083b6a024 100644
--- a/homeassistant/loader.py
+++ b/homeassistant/loader.py
@@ -1098,7 +1098,11 @@ class Helpers:
 
 
 def bind_hass(func: _CallableT) -> _CallableT:
-    """Decorate function to indicate that first argument is hass."""
+    """Decorate function to indicate that first argument is hass.
+
+    The use of this decorator is discouraged, and it should not be used
+    for new functions.
+    """
     setattr(func, "__bind_hass", True)
     return func