Update runtime files
diff --git a/runtime/doc/index.txt b/runtime/doc/index.txt
index 5749309..545adff 100644
--- a/runtime/doc/index.txt
+++ b/runtime/doc/index.txt
@@ -1,4 +1,4 @@
-*index.txt* For Vim version 8.2. Last change: 2021 Apr 24
+*index.txt* For Vim version 8.2. Last change: 2021 May 27
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -1657,9 +1657,9 @@
|:tab| :tab create new tab when opening new window
|:tag| :ta[g] jump to tag
|:tags| :tags show the contents of the tag stack
-|:tcd| :tcd change directory for tab page
+|:tcd| :tc[d] change directory for tab page
|:tchdir| :tch[dir] change directory for tab page
-|:tcl| :tc[l] execute Tcl command
+|:tcl| :tcl execute Tcl command
|:tcldo| :tcld[o] execute Tcl command for each line
|:tclfile| :tclf[ile] execute Tcl script file
|:tearoff| :te[aroff] tear-off a menu