Update runtime files
diff --git a/runtime/doc/testing.txt b/runtime/doc/testing.txt
index f251781..558553f 100644
--- a/runtime/doc/testing.txt
+++ b/runtime/doc/testing.txt
@@ -1,4 +1,4 @@
-*testing.txt* For Vim version 9.0. Last change: 2022 May 16
+*testing.txt* For Vim version 9.0. Last change: 2022 Nov 28
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -135,9 +135,9 @@
Inject either a mouse button click, or a mouse move, event.
The supported items in {args} are:
button: mouse button. The supported values are:
- 0 right mouse button
+ 0 left mouse button
1 middle mouse button
- 2 left mouse button
+ 2 right mouse button
3 mouse button release
4 scroll wheel down
5 scroll wheel up