runtime(doc): tagfunc should refer to 'complete' option

fixes: #17205

Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/doc/tagsrch.txt b/runtime/doc/tagsrch.txt
index 858309a..1324143 100644
--- a/runtime/doc/tagsrch.txt
+++ b/runtime/doc/tagsrch.txt
@@ -1,4 +1,4 @@
-*tagsrch.txt*   For Vim version 9.1.  Last change: 2024 Aug 01
+*tagsrch.txt*   For Vim version 9.1.  Last change: 2025 Apr 26
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -914,7 +914,7 @@
 	        (mnemonic: the tag function may use the context around the
 		cursor to perform a better job of generating the tag list.)
   'i'		In Insert mode, the user was completing a tag (with
-		|i_CTRL-X_CTRL-]| or 'completeopt' contains `t`).
+		|i_CTRL-X_CTRL-]| or 'complete' contains "`t`" or "`]`").
   'r'		The first argument to tagfunc should be interpreted as a
 		|pattern| (see |tag-regexp|), such as when using: >
 		  :tag /pat