edit locale strings

bigbluebutton-html5/private/locales/en.json

@@ -247,8 +247,8 @@
     "app.audioModal.closeLabel": "Close",
     "app.audioModal.yes": "Yes",
     "app.audioModal.no": "No",
-    "app.audioModal.yes.arialabel" : "echo audible",
-    "app.audioModal.no.arialabel" : "echo inaudible",
+    "app.audioModal.yes.arialabel" : "Echo is audible",
+    "app.audioModal.no.arialabel" : "Echo is inaudible",
     "app.audioModal.echoTestTitle": "This is a private echo test. Speak a few words. Did you hear audio?",
     "app.audioModal.settingsTitle": "Change your audio settings",
     "app.audioModal.helpTitle": "There was an issue with your media devices",