diff --git a/runtime/doc/index.txt b/runtime/doc/index.txt
index 78d557f..0d47cc2 100644
--- a/runtime/doc/index.txt
+++ b/runtime/doc/index.txt
@@ -1,4 +1,4 @@
-*index.txt*     For Vim version 8.2.  Last change: 2020 May 10
+*index.txt*     For Vim version 8.2.  Last change: 2020 May 26
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -828,7 +828,7 @@
 |zD|		zD		   delete folds recursively
 |zE|		zE		   eliminate all folds
 |zF|		zF		   create a fold for N lines
-|zG|		zG		   mark word as good spelled word
+|zG|		zG		   temporarily mark word as good spelled word
 |zH|		zH		   when 'wrap' off scroll half a screenwidth
 				   to the right
 |zL|		zL		   when 'wrap' off scroll half a screenwidth
@@ -837,7 +837,7 @@
 |zN|		zN		   set 'foldenable'
 |zO|		zO		   open folds recursively
 |zR|		zR		   set 'foldlevel' to the deepest fold
-|zW|		zW		   mark word as wrong (bad) spelled word
+|zW|		zW		   temporarily mark word as bad spelled word
 |zX|		zX		   re-apply 'foldlevel'
 |z^|		z^		   cursor on line N (default line above
 				   window), otherwise like "z-"
@@ -849,7 +849,7 @@
 				   position the cursor at the end (right side)
 				   of the screen
 |zf|		zf{motion}	   create a fold for Nmove text
-|zg|		zg		   mark word as good spelled word
+|zg|		zg		   permanently mark word as good spelled word
 |zh|		zh		   when 'wrap' off scroll screen N characters
 				   to the right
 |zi|		zi		   toggle 'foldenable'
@@ -870,7 +870,7 @@
 |zuW|		zuW		   undo |zW|
 |zuG|		zuG		   undo |zG|
 |zv|		zv		   open enough folds to view the cursor line
-|zw|		zw		   mark word as wrong (bad) spelled word
+|zw|		zw		   permanently mark word as bad spelled word
 |zx|		zx		   re-apply 'foldlevel' and do "zv"
 |zz|		zz		   redraw, cursor line at center of window
 |z<Left>|	z<Left>		   same as "zh"
@@ -1262,6 +1262,7 @@
 |:debug|	:deb[ug]	run a command in debugging mode
 |:debuggreedy|	:debugg[reedy]	read debug mode commands from normal input
 |:def|		:def		define a Vim9 user function
+|:defcompile|	:defc[ompile]	compile Vim9 user functions in current script
 |:delcommand|	:delc[ommand]	delete user-defined command
 |:delfunction|	:delf[unction]	delete a user function
 |:delmarks|	:delm[arks]	delete marks