diff --git a/editions/tw5.com/tiddlers/webserver/WebServer API_ Delete Tiddler.tid b/editions/tw5.com/tiddlers/webserver/WebServer API_ Delete Tiddler.tid
index 962d74902..523012553 100644
--- a/editions/tw5.com/tiddlers/webserver/WebServer API_ Delete Tiddler.tid	
+++ b/editions/tw5.com/tiddlers/webserver/WebServer API_ Delete Tiddler.tid	
@@ -1,5 +1,5 @@
 created: 20181002112106875
-modified: 20181002124355314
+modified: 20210418100750769
 tags: [[WebServer API]]
 title: WebServer API: Delete Tiddler
 type: text/vnd.tiddlywiki
@@ -14,6 +14,10 @@ Parameters:
 
 * ''title'' - URI encoded title of the tiddler to delete
 
+Headers:
+
+* ''x-requested-with'' - must be set to `TiddlyWiki` in order for the request to succeed, unless [[WebServer Parameter: csrf-disable]] is set to `yes`
+
 Response:
 
 * 204 No Content
\ No newline at end of file
diff --git a/editions/tw5.com/tiddlers/webserver/WebServer API_ Put Tiddler.tid b/editions/tw5.com/tiddlers/webserver/WebServer API_ Put Tiddler.tid
index 8bdedcf3b..d9c774bdb 100644
--- a/editions/tw5.com/tiddlers/webserver/WebServer API_ Put Tiddler.tid	
+++ b/editions/tw5.com/tiddlers/webserver/WebServer API_ Put Tiddler.tid	
@@ -1,5 +1,5 @@
 created: 20181002131341062
-modified: 20181002131556452
+modified: 20210418100750769
 tags: [[WebServer API]]
 title: WebServer API: Put Tiddler
 type: text/vnd.tiddlywiki
@@ -16,6 +16,10 @@ Parameters:
 
 * ''title'' - URI encoded title of the tiddler to save
 
+Headers:
+
+* ''x-requested-with'' - must be set to `TiddlyWiki` in order for the request to succeed, unless [[WebServer Parameter: csrf-disable]] is set to `yes`
+
 Response:
 
 * 204 No Content