Update runtime files
diff --git a/runtime/doc/change.txt b/runtime/doc/change.txt
index c877ddb..2799dc9 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 Dec 27
+*change.txt* For Vim version 8.2. Last change: 2021 Dec 29
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -1677,7 +1677,8 @@
<Enter> in Insert mode.
*fo-o*
o Automatically insert the current comment leader after hitting 'o' or
- 'O' in Normal mode.
+ 'O' in Normal mode. In case comment is unwanted in a specific place
+ use CTRL-U to quickly delete it. |i_CTRL-U|
*fo-q*
q Allow formatting of comments with "gq".
Note that formatting will not change blank lines or lines containing