Update runtime files
diff --git a/runtime/doc/autocmd.txt b/runtime/doc/autocmd.txt
index b10a8b8..0cab9d8 100644
--- a/runtime/doc/autocmd.txt
+++ b/runtime/doc/autocmd.txt
@@ -1,4 +1,4 @@
-*autocmd.txt* For Vim version 8.1. Last change: 2019 Jun 22
+*autocmd.txt* For Vim version 8.1. Last change: 2019 Jun 26
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -407,8 +407,8 @@
BufFilePre Before changing the name of the current buffer
with the ":file" or ":saveas" command.
*BufHidden*
-BufHidden Just after a buffer has become hidden. That
- is, when there are no longer windows that show
+BufHidden Just before a buffer becomes hidden. That is,
+ when there are no longer windows that show
the buffer, but the buffer is not unloaded or
deleted. Not used for ":qa" or ":q" when
exiting Vim.