diff --git a/bin/ls/ls.1 b/bin/ls/ls.1
index 4eac583a015b..22f4fc0a8f3e 100644
--- a/bin/ls/ls.1
+++ b/bin/ls/ls.1
@@ -680,6 +680,7 @@ specification.
 .Xr sort 1 ,
 .Xr xterm 1 ,
 .Xr strftime 3 ,
+.Xr strmode 3 ,
 .Xr termcap 5 ,
 .Xr maclabel 7 ,
 .Xr symlink 7 ,