[rhythmbox] Updated Czech translation

[Marek Černocký <mcernocky src gnome org>]

commit cd8c0aaaf0e385c895b02f85b91c9c8f34d9bf14
Author: Marek Černocký <marek manet cz>
Date:   Sun Mar 14 09:33:46 2021 +0100

    Updated Czech translation

 help/cs/cs.po | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/help/cs/cs.po b/help/cs/cs.po
index 721faf1ac..4761893ec 100644
--- a/help/cs/cs.po
+++ b/help/cs/cs.po
@@ -2897,7 +2897,7 @@ msgstr "<keycap>mute</keycap>"
 #. (itstool) path: entry/para
 #: C/index.docbook:1690
 msgid "Mute the playback"
-msgstr "Ztlumit přehrávání"
+msgstr "Vypnout zvuk přehrávání"
 
 #. (itstool) path: para/ulink
 #: C/legal.xml:11