[nautilus] file-operations: unify comments

[Piotr Drąg <piotrdrag src gnome org>]

commit 1d1ed4820e7ea256ae3fc6aaf663ea1c00c28a89
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Tue Sep 1 19:50:38 2015 +0200

    file-operations: unify comments

 libnautilus-private/nautilus-file-operations.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/libnautilus-private/nautilus-file-operations.c b/libnautilus-private/nautilus-file-operations.c
index 487a1e3..e031589 100644
--- a/libnautilus-private/nautilus-file-operations.c
+++ b/libnautilus-private/nautilus-file-operations.c
@@ -1533,6 +1533,8 @@ report_delete_progress (CommonJob *job,
 
                        /* To translators: %T will expand to a time duration like "2 minutes".
                          * So the whole thing will be something like "1 / 5 -- 2 hours left (4 files/sec)"
+                        *
+                        * The singular/plural form will be used depending on the remaining time (i.e. the %T 
argument).
                         */
                         time_left_message = ngettext ("%'d / %'d \xE2\x80\x94 %T left",
                                                      "%'d / %'d \xE2\x80\x94 %T left",