diff --git a/editions/tw5.com/tiddlers/macros/syntax/Macro Call Syntax.tid b/editions/tw5.com/tiddlers/macros/syntax/Macro Call Syntax.tid
index 846200cc9..f070bbeac 100644
--- a/editions/tw5.com/tiddlers/macros/syntax/Macro Call Syntax.tid	
+++ b/editions/tw5.com/tiddlers/macros/syntax/Macro Call Syntax.tid	
@@ -1,9 +1,13 @@
 created: 20150221105732000
 modified: 20150221222352000
-tags: [[Macro Syntax]]
+tags: [[Macro Syntax]] $:/deprecated
 title: Macro Call Syntax
 type: text/vnd.tiddlywiki
 
+<<.deprecated-since "5.3.0" "Procedure Call Syntax">>
+
+----------
+
 <<.preamble """What follows is a formal presentation of the syntax of the WikiText syntax for macro calls, using [[railroad diagrams|Railroad Diagrams]]. A [[simpler overview|Macro Calls in WikiText]] is also available.""">>
 
 <$railroad text="""
diff --git a/editions/tw5.com/tiddlers/macros/syntax/Macro Definition Syntax.tid b/editions/tw5.com/tiddlers/macros/syntax/Macro Definition Syntax.tid
index 81877b3a5..ecc389d54 100644
--- a/editions/tw5.com/tiddlers/macros/syntax/Macro Definition Syntax.tid	
+++ b/editions/tw5.com/tiddlers/macros/syntax/Macro Definition Syntax.tid	
@@ -1,9 +1,13 @@
 created: 20150220200255000
 modified: 20150221222349000
-tags: [[Macro Syntax]]
+tags: [[Macro Syntax]] $:/deprecated
 title: Macro Definition Syntax
 type: text/vnd.tiddlywiki
 
+<<.deprecated-since "5.3.0" "Procedure Definition Syntax">>
+
+----------
+
 <<.preamble """What follows is a formal presentation of the syntax of the `\define` pragma, using [[railroad diagrams|Railroad Diagrams]]. A [[simpler overview|Macro Definitions in WikiText]] is also available.""">>
 
 <$railroad text="""