diff --git a/README.rst b/README.rst
index 612f7f3..9f7f62a 100644
--- a/README.rst
+++ b/README.rst
@@ -1,11 +1,23 @@
 Plover Stenograph USB
 =====================
 
-Use Stenograph Diamanté and Luminex machines on Plover. The plugin may
-not work with other machines. If it does, please let me know.
+Use Stenograph machines such as the Luminex, Diamanté, and Protégé on Plover. The plugin may
+not work with other machines.
 
 Special thanks to Keith McCready for his guidance and support.
 
+Tested Machines
+---------------
+
+If you test another machine, please let me know whether it works or not.
+
+- Working
+  - Luminex
+  - Diamanté
+  - Protégé
+- Not Working
+  - Unknown
+
 Get the Drivers
 ---------------
 
diff --git a/plover_stenograph_usb.py b/plover_stenograph_usb.py
index c5adeb6..6b20f59 100644
--- a/plover_stenograph_usb.py
+++ b/plover_stenograph_usb.py
@@ -168,6 +168,7 @@ class StenoPacket(object):
     @staticmethod
     def make_open_request(file_name=b'REALTIME.000\x00\x00\x00\x00', disk_id=b'A'):
         """Request to open a file on the writer, defaults to the realtime file."""
+        # Concern: realtime file seems to need 4 null bytes. Maybe to round up to 0x10?
         return StenoPacket(
             packet_id=StenoPacket.ID_OPEN,
             p1=ord(disk_id) if disk_id else 0, # Omitting p1 may use the default drive.
@@ -594,4 +595,4 @@ class Stenograph(ThreadedStenotypeBase):
         """Stop listening for output from the stenotype machine."""
         super(Stenograph, self).stop_capture()
         self._machine = None
-        self._stopped()
\ No newline at end of file
+        self._stopped()
diff --git a/setup.cfg b/setup.cfg
index 513e775..fd313f9 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,6 +1,6 @@
 [metadata]
 name = plover_stenograph_usb
-version = 0.0.3
+version = 0.0.4
 description = Stenograph USB protocol for Diamanté and Luminex machines for Plover
 long_description = file: README.rst
 author = Ted Morin