Update runtime files
diff --git a/runtime/doc/editing.txt b/runtime/doc/editing.txt
index 1351d4e..2331798 100644
--- a/runtime/doc/editing.txt
+++ b/runtime/doc/editing.txt
@@ -1,4 +1,4 @@
-*editing.txt* For Vim version 8.2. Last change: 2021 Apr 05
+*editing.txt* For Vim version 8.2. Last change: 2021 May 27
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -1320,8 +1320,8 @@
*:chd* *:chdir*
:chd[ir][!] [path] Same as |:cd|.
- *:tcd*
-:tcd[!] {path} Like |:cd|, but only set the directory for the current
+ *:tc* *:tcd*
+:tc[d][!] {path} Like |:cd|, but only set the directory for the current
tab. The current window will also use this directory.
The current directory is not changed for windows in
other tabs and for windows in the current tab that
@@ -1331,7 +1331,7 @@
:tch[dir][!] Same as |:tcd|.
*:tcd-*
-:tcd[!] - Change to the previous current directory, before the
+:tc[d][!] - Change to the previous current directory, before the
last ":tcd {path}" command.
*:lc* *:lcd*