diff --git a/src/apps/midiplayer/MidiPlayer.rdef b/src/apps/midiplayer/MidiPlayer.rdef
index ea5022327c..cb4425d4f9 100644
--- a/src/apps/midiplayer/MidiPlayer.rdef
+++ b/src/apps/midiplayer/MidiPlayer.rdef
@@ -1,5 +1,5 @@
 
-resource app_signature "application/x-vnd.OpenBeOS.MidiPlayer";
+resource app_signature "application/x-vnd.haiku.MidiPlayer";
 
 resource app_flags B_SINGLE_LAUNCH;
 
@@ -8,10 +8,10 @@ resource app_version
 	major      = 1, 
 	middle     = 0,
 	minor      = 0,
-	variety    = B_APPV_ALPHA,
+	variety    = B_APPV_BETA,
 	internal   = 0,
 	short_info = "MidiPlayer",
-	long_info  = "OpenBeOS - MidiPlayer"
+	long_info  = "Haiku MIDI Player"
 };
 
 resource file_types message
diff --git a/src/apps/midiplayer/MidiPlayerApp.cpp b/src/apps/midiplayer/MidiPlayerApp.cpp
index 8d1153dfa0..a138c4a0f4 100644
--- a/src/apps/midiplayer/MidiPlayerApp.cpp
+++ b/src/apps/midiplayer/MidiPlayerApp.cpp
@@ -46,7 +46,12 @@ void MidiPlayerApp::ReadyToRun()
 void MidiPlayerApp::AboutRequested()
 {
 	(new BAlert(
-		NULL, "OpenBeOS MidiPlayer\n\n", "Okay", NULL, NULL,
+		NULL,
+		"Haiku MIDI Player\n\n"
+		"This tiny program\n"
+		"Knows how to play thousands of\n"
+		"Cheesy sounding songs",
+		"Okay", NULL, NULL,
 		B_WIDTH_AS_USUAL, B_INFO_ALERT))->Go();
 }
 
diff --git a/src/apps/midiplayer/MidiPlayerApp.h b/src/apps/midiplayer/MidiPlayerApp.h
index 4bd3b7ddb6..b338162add 100644
--- a/src/apps/midiplayer/MidiPlayerApp.h
+++ b/src/apps/midiplayer/MidiPlayerApp.h
@@ -25,7 +25,7 @@
 
 #include <Application.h>
 
-#define MIDI_PLAYER_SIGNATURE  "application/x-vnd.OpenBeOS.MidiPlayer"
+#define MIDI_PLAYER_SIGNATURE  "application/x-vnd.haiku.MidiPlayer"
 
 class MidiPlayerWindow;