- Add -D to usage().

- Bump document date for the addition of the -D option.
- Reformat a sentence to look like a real sentence.

bin/ls/ls.1

@@ -32,7 +32,7 @@
 .\"     @(#)ls.1	8.7 (Berkeley) 7/29/94
 .\" $FreeBSD$
 .\"
-.Dd October 12, 2006
+.Dd April 4, 2008
 .Dt LS 1
 .Os
 .Sh NAME
@@ -95,8 +95,9 @@ When printing in the long
 format, use
 .Ar format
 to format the date and time output.
+The argument
 .Ar format
-is a format string used by
+is a string used by
 .Xr strftime 3 .
 Depending on the choice of format string, this may result in a
 different number of columns in the output.

bin/ls/util.c

@@ -222,9 +222,9 @@ usage(void)
 {
 	(void)fprintf(stderr,
 #ifdef COLORLS
-	"usage: ls [-ABCFGHILPRSTUWZabcdfghiklmnopqrstuwx1]"
+	"usage: ls [-ABCFGHILPRSTUWZabcdfghiklmnopqrstuwx1] [-D format]"
 #else
-	"usage: ls [-ABCFHILPRSTUWZabcdfghiklmnopqrstuwx1]"
+	"usage: ls [-ABCFHILPRSTUWZabcdfghiklmnopqrstuwx1] [-D format]"
 #endif
 		      " [file ...]\n");
 	exit(1);