diff --git a/runtime/doc/insert.txt b/runtime/doc/insert.txt
index 5d25847..3751f27 100644
--- a/runtime/doc/insert.txt
+++ b/runtime/doc/insert.txt
@@ -1,4 +1,4 @@
-*insert.txt*    For Vim version 8.2.  Last change: 2021 Dec 27
+*insert.txt*    For Vim version 8.2.  Last change: 2021 Dec 29
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -84,6 +84,8 @@
 		line.  If there are no newly entered characters and
 		'backspace' is not empty, delete all characters before the
 		cursor in the current line.
+		If C-indenting is enabled the indent will be adjusted if the
+		line becomes blank.
 		See |i_backspacing| about joining lines.
 						*i_CTRL-I* *i_<Tab>* *i_Tab*
 <Tab> or CTRL-I Insert a tab.  If the 'expandtab' option is on, the
@@ -1945,6 +1947,9 @@
 previous line.  When 'smartindent' or 'cindent' is on, the indent for a line
 is automatically adjusted for C programs.
 
+'formatoptions' can be set to copy the comment leader when opening a new
+line.
+
 'textwidth' can be set to the maximum width for a line.  When a line becomes
 too long when appending characters a line break is automatically inserted.