runtime(doc): Fix typos in help documents

closes: #14720

Co-authored-by: Christian Clason <c.clason@uni-graz.at>
Signed-off-by: h-east <h.east.727@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/doc/autocmd.txt b/runtime/doc/autocmd.txt
index 32094b3..037f89c 100644
--- a/runtime/doc/autocmd.txt
+++ b/runtime/doc/autocmd.txt
@@ -1,4 +1,4 @@
-*autocmd.txt*   For Vim version 9.1.  Last change: 2024 Mar 26
+*autocmd.txt*   For Vim version 9.1.  Last change: 2024 May 05
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -428,8 +428,8 @@
 
 |SessionLoadPost|	after loading a session file
 
-|SessionWritePost|	After writing the session file using
-			the |:mksession| command.
+|SessionWritePost|	after writing the session file using
+			the |:mksession| command
 
 |MenuPopup|		just before showing the popup menu
 |CompleteChanged|	after Insert mode completion menu changed