Update runtime files.
diff --git a/runtime/doc/windows.txt b/runtime/doc/windows.txt
index dca9dbf..2c0cdc3 100644
--- a/runtime/doc/windows.txt
+++ b/runtime/doc/windows.txt
@@ -1,4 +1,4 @@
-*windows.txt* For Vim version 8.1. Last change: 2019 May 30
+*windows.txt* For Vim version 8.1. Last change: 2019 Jun 02
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -216,7 +216,7 @@
:[N]sv[iew] [++opt] [+cmd] {file} *:sv* *:sview* *splitview*
Same as ":split", but set 'readonly' option for this buffer.
-:[N]sf[ind] [++opt] [+cmd] {file} *:sf* *:sfind* *splitfind*
+:[N]sf[ind] [++opt] [+cmd] {file} *:sf* *:sfi* *:sfind* *splitfind*
Same as ":split", but search for {file} in 'path' like in
|:find|. Doesn't split if {file} is not found.
@@ -1219,7 +1219,7 @@
Uses 'switchbuf'.
Also see |+cmd|.
-:br[ewind][!] [+cmd] *:br* *:brewind*
+:br[ewind][!] [+cmd] *:br* *:bre* *:brewind*
Go to first buffer in buffer list. If the buffer list is
empty, go to the first unlisted buffer.
See |:buffer-!| for [!].