[gnome-flashback] Updated Czech translation

[Marek Černocký <mcernocky src gnome org>]

commit 282f60cafd9927eb34343412f636d762566887b1
Author: Marek Černocký <marek manet cz>
Date:   Sun Mar 14 09:31:55 2021 +0100

    Updated Czech translation

 po/cs.po | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/po/cs.po b/po/cs.po
index a6fa2c5..50550cd 100644
--- a/po/cs.po
+++ b/po/cs.po
@@ -1199,7 +1199,7 @@ msgstr "Byla změněna hlasitost"
 
 #: system-indicators/si-volume.c:266
 msgid "Mute"
-msgstr "Ztišit"
+msgstr "Vypnout zvuk"
 
 #: system-indicators/si-volume.c:523
 msgid "Input"
@@ -1211,7 +1211,7 @@ msgstr "Výstup"
 
 #: system-indicators/si-volume.c:534
 msgid "Muted"
-msgstr "Ztišeno"
+msgstr "Vypnutý zvuk"
 
 msgid "Launch screensaver and locker program"
 msgstr "Spouštějte šetřič obrazovky a zamykací program"