diff --git a/source/MessageBundle.properties b/source/MessageBundle.properties
index 149c74d..27c0322 100644
--- a/source/MessageBundle.properties
+++ b/source/MessageBundle.properties
@@ -11,6 +11,9 @@ TitleColon = Title:
 TypeNewTitleColon = Type new title:
 NoMedia = No media
 MediaColon = Media:
+Transcript = Transcript
+Audio = Audio
+Video = Video
 NoTranscript = No transcript
 TranscriptColon = Transcript:
 KeyboardInputMethod = Keyboard Input Method
@@ -33,6 +36,7 @@ OpenTranscript = Open Transcript
 OpenMediaFile = Open Media from File
 OpenMediaURL = Open Media from URL
 TypeMediaURL = Enter the URL of the media you want to open:
+SupportedMediaError = Consult your THDL documentation and install a supported media player.
 WantSave = Do you want to save this transcript?
 WhatToDo = What do you want to do?
 ChooseOne = Choose an option
@@ -59,6 +63,7 @@ SelectAll = Select all
 InsertSpeaker = Insert speaker
 InsertOneTime = Insert a time
 InsertTwoTimes = Insert two times
+File = File
 New = New
 Open = Open
 Close = Close
@@ -80,4 +85,8 @@ ReplaceAll = Replace all
 NoReplace = Don't replace
 Cancel = Cancel
 MediaPlayer = Media Player
-SelectMedia = Select Media
\ No newline at end of file
+SelectMedia = Select Media
+InfoShort = Info
+InfoLong = Information
+Help = Help
+About = About
\ No newline at end of file