Update runtime files
diff --git a/runtime/doc/quickfix.txt b/runtime/doc/quickfix.txt
index d8cea34..f380dc6 100644
--- a/runtime/doc/quickfix.txt
+++ b/runtime/doc/quickfix.txt
@@ -1,4 +1,4 @@
-*quickfix.txt* For Vim version 8.1. Last change: 2019 Jun 02
+*quickfix.txt* For Vim version 8.1. Last change: 2019 Jul 15
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -650,9 +650,9 @@
When the quickfix window has been filled, two autocommand events are
triggered. First the 'filetype' option is set to "qf", which triggers the
-FileType event. Then the BufReadPost event is triggered, using "quickfix" for
-the buffer name. This can be used to perform some action on the listed
-errors. Example: >
+FileType event (also see |qf.vim|). Then the BufReadPost event is triggered,
+using "quickfix" for the buffer name. This can be used to perform some action
+on the listed errors. Example: >
au BufReadPost quickfix setlocal modifiable
\ | silent exe 'g/^/s//\=line(".")." "/'
\ | setlocal nomodifiable