-listings are sorted in lexicographical order.
-This may be changed by specifying the
-.Fl S
-(sort by file size),
-.Fl t
-(sort by last modification time), or
-.Fl f
-(don't sort at all) flags.
-Additionally, the sort order may be reversed using the
-.Fl r
-flag.
+accordingly:
+.Bl -tag -width Ds
+.It Fl 1
+Produce single columnar output.
+.It Fl a
+List files beginning with a dot
+.Pq Sq \&. .
+.It Fl f
+Do not sort the listing.
+The default sort order is lexicographical.
+.It Fl l
+Display additional details including permissions
+and ownership information.
+.It Fl n
+Produce a long listing with user and group information presented
+numerically.
+.It Fl r
+Reverse the sort order of the listing.
+.It Fl S
+Sort the listing by file size.
+.It Fl t
+Sort the listing by last modification time.
+.El