aft.c: Improve documentation of struct ls_widths.

diff --git a/aft.c b/aft.c
index f87ac96e8b62eb2d7c00bb3b6e2130b25b2c9a79..cc0cfcc1777c5ea8491db44d9a06f97964e35c4d 100644 (file)
--- a/aft.c
+++ b/aft.c
@@ -87,10 +87,9 @@ enum ls_flags {
 /**
  * The size of the individual output fields of the ls command.
  *
- * These depend on the actual content being listed. If, for instance only files
- * with duration less than an hour are being listed, then the duration with is
- * made smaller because then the duration is listed as mm:ss rather than
- * hh:mm:ss.
+ * These depend on the content being listed. For example, if each listed file
+ * is shorter than an hour, the duration format is set to mm:ss. Otherwise it
+ * is set to hh:mm:ss.
  */
 struct ls_widths {
        /** size of the score field. */