runtime(doc): fix wrong helptag for :defer

Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/doc/builtin.txt b/runtime/doc/builtin.txt
index 862a1df..ff7078e 100644
--- a/runtime/doc/builtin.txt
+++ b/runtime/doc/builtin.txt
@@ -1,4 +1,4 @@
-*builtin.txt*	For Vim version 9.1.  Last change: 2024 Jun 13
+*builtin.txt*	For Vim version 9.1.  Last change: 2024 Jun 14
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -7332,9 +7332,9 @@
 		{flags} can contain these character flags:
 		 "p"	intermediate directories will be created as necessary
 		 "D"	{name} will be deleted at the end of the current
-			function, but not recursively |defer|
+			function, but not recursively |:defer|
 		 "R"	{name} will be deleted recursively at the end of the
-			current function |defer|
+			current function |:defer|
 
 		Note that when {name} has more than one part and "p" is used
 		some directories may already exist.  Only the first one that