diff --git a/src/cmd/ksh93/sh.1 b/src/cmd/ksh93/sh.1
index 9e5ced6d2..aa4a7f6ae 100644
--- a/src/cmd/ksh93/sh.1
+++ b/src/cmd/ksh93/sh.1
@@ -8311,6 +8311,11 @@ shell, commands are read from
 and then from
 .BR \s-1$HOME\s+1/.profile
 if it exists.
+Alternatively, the option
+.B \-l
+causes the shell to be treated as a
+.I login
+shell.
 Next, for interactive shells, commands are read from
 the file named by
 .SM