[AudioSelection] change text in choice_list for CanAC3plusTranscode

same as in AVSwitch.py

https://github.com/openatv/enigma2/blob/6.2/lib/python/Components/AVSwitch.py#L1068

lib/python/Screens/AudioSelection.py

@@ -151,7 +151,7 @@ def fillList(self, arg=None):
 					choice_list = [("downmix", _("Downmix")), ("passthrough", _("Passthrough")), ("force_ac3", _("convert to AC3")), ("multichannel",  _("convert to multi-channel PCM")), ("force_dts",  _("convert to DTS"))]
 					self.settings.transcodeac3plus = ConfigSelection(choices = choice_list, default = config.av.transcodeac3plus.value)
 				else:
-					choice_list = [("use_hdmi_caps", _("controlled by HDMI")), ("force_ac3", _("always"))]
+					choice_list = [("use_hdmi_caps", _("controlled by HDMI")), ("force_ac3", _("convert to AC3"))]
 				self.settings.transcodeac3plus = ConfigSelection(choices = choice_list, default = config.av.transcodeac3plus.value)
 				self.settings.transcodeac3plus.addNotifier(self.setAC3plusTranscode, initial_call = False)
 				conflist.append(getConfigListEntry(_("AC3plus transcoding"), self.settings.transcodeac3plus, None))