l10n: Add "message" to the text string

app/src/main/res/values/strings.xml

@@ -387,7 +387,7 @@
     <!-- voice messages -->
     <string name="nc_voice_message_filename">Talk recording from %1$s (%2$s)</string>
     <string name="nc_voice_message_hold_to_record_info">Hold to record, release to send.</string>
-    <string name="nc_description_record_voice">Record voice</string>
+    <string name="nc_description_record_voice">Record voice message</string>
     <string name="nc_voice_message_slide_to_cancel">&lt;&lt; Slide to cancel</string>
     <string name="play_voice_message">Play voice message</string>
     <string name="pause_voice_message">Pause voice message</string>