diff --git a/runtime/doc/change.txt b/runtime/doc/change.txt
index 31843ee..c877ddb 100644
--- a/runtime/doc/change.txt
+++ b/runtime/doc/change.txt
@@ -1,4 +1,4 @@
-*change.txt*    For Vim version 8.2.  Last change: 2021 Jun 23
+*change.txt*    For Vim version 8.2.  Last change: 2021 Dec 27
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -259,6 +259,9 @@
 			line.
 			Adding [!] toggles 'autoindent' for the time this
 			command is executed.
+			This command is not supported in |Vim9| script,
+			because it is too easily confused with a variable
+			name.
 
 ==============================================================================
 3. Simple changes					*simple-change*
@@ -1374,6 +1377,9 @@
 
 							*:t*
 :t			Synonym for copy.
+			This command is not supported in |Vim9| script,
+			because it is too easily confused with a variable
+			name.
 
 :[range]m[ove] {address}			*:m* *:mo* *:move* *E134*
 			Move the lines given by [range] to below the line