diff --git a/doc/nano.texi b/doc/nano.texi
index 3546d182..5b072f2f 100644
--- a/doc/nano.texi
+++ b/doc/nano.texi
@@ -1715,6 +1715,9 @@ Toggles the presence of the two-line list of key bindings at the bottom of the s
 (This toggle is special: it is available in all menus except the help viewer
 and the linter.  All further toggles are available in the main menu only.)
 
+@item zero
+Toggles the presence of title bar and status bar.
+
 @item constantshow
 Toggles the constant display of the current line, column, and character positions.
 
diff --git a/doc/nanorc.5 b/doc/nanorc.5
index 82a6c0dd..eaa6f7f0 100644
--- a/doc/nanorc.5
+++ b/doc/nanorc.5
@@ -931,6 +931,9 @@ Toggles the presence of the two-line list of key bindings at the bottom of the s
 (This toggle is special: it is available in all menus except the help viewer
 and the linter.  All further toggles are available in the main menu only.)
 .TP
+.B zero
+Toggles the presence of title bar and status bar.
+.TP
 .B constantshow
 Toggles the constant display of the current line, column, and character positions.
 .TP