diff --git a/data/core/macros/special-notes.cfg b/data/core/macros/special-notes.cfg
index 0d9dbe4f30c..e04700ab4d1 100644
--- a/data/core/macros/special-notes.cfg
+++ b/data/core/macros/special-notes.cfg
@@ -109,6 +109,12 @@ _"This unit has a defense cap on certain terrain types — it cannot achieve a h
 
 # Deprecated versions here
 
+#define SPECIAL_NOTES
+#deprecated 4 Use [special_note]note= tags instead to apply special notes, or use the {NOTE_*} macros (note the singular).
+    "
+
+"+_"Special Notes:"#enddef
+
 #define SPECIAL_NOTES_SPIRIT
 #deprecated 2 1.17 This note is now added automatically.
 {INTERNAL:SPECIAL_NOTES_SPIRIT}#enddef