diff --git a/pywmreceived.py b/pywmreceived.py
index 89128ee..eab341c 100755
--- a/pywmreceived.py
+++ b/pywmreceived.py
@@ -2,7 +2,7 @@
 
 """pywmreceived.py
 WindowMaker dockapp pidgin messages 
-Copyright (C) 2006 Mario Frasca
+Copyright (C) 2025 Fredrick W. Warren
 Licensed under the GNU General Public License.
 """
 
@@ -22,8 +22,14 @@ logger = logging.getLogger(__name__)
 
 
 class Application(wmoo.Application):
+    """
+    Display dockapp and respond to libpurple dbus
+    messages ReceivedImMsg and SentImMsg
+    """
 
     def __init__(self, *args, **kwargs):
+        """
+        """
         wmoo.Application.__init__(self, *args, **kwargs)
         self._count = 0
         self._flasher = 0 
@@ -40,6 +46,9 @@ class Application(wmoo.Application):
         self.register_dbus()
 
     def register_dbus(self):
+        """
+        Register im.pidgin.purple dbus to listen for messages
+        """
         try:
             # Set up the D-Bus main loop
             dbus.mainloop.glib.DBusGMainLoop(set_as_default=True)
@@ -79,7 +88,7 @@ class Application(wmoo.Application):
         """
         Callback function that handles the ReceivedIMMsg signal.
         Prints the sender and message.
-        
+
         Parameters:
             account (str): The account from which the message was received.
             sender (str): The sender's identifier.
@@ -99,7 +108,7 @@ class Application(wmoo.Application):
         """
         Callback function that handles the SentImMsg signal.
         Prints the sender and message.
-        
+
         Parameters:
             recepient (str): The recepien's identifier.
             message (str): The message content.
@@ -109,6 +118,14 @@ class Application(wmoo.Application):
         ic(f"message: {message}")
 
     def draw_string(self, xstart, ystart, text):
+        """
+        Draw text in dockapp with normal or backlit backround
+
+        Parameters:
+            xstart (int): pixels from left edge of dockapp
+            ystart (int): pixels from top edge of dockapp
+            text (str): text to display, will be trundicated
+        """
         for char in text:
             if char >= "A" and char <="Z":
                 x = (ord(char) -65) * 6
@@ -146,24 +163,42 @@ class Application(wmoo.Application):
             xstart += 6
 
     def draw_background(self):
+        """
+        Redraw background of dockapp
+        """
         self.putPattern(0 + (self.backlit * 62), 36, 64, 64, 0, 0)
 
     def draw_all_text(self):
+        """
+        Redraw all text
+        """
         for index, line in enumerate(self.lines[:6]):
             self.draw_string(9, 6 + (index * line_height), line[0])
 
     def toggle_backlight(self, event):
+        """
+        Toggle the state of the dockapp background
+
+        Parameters:
+        """
         self.backlit = 1 - self.backlit
         self.draw_background()
         self.draw_all_text()
 
     def backlight_off(self, event):
+        """
+        Turn off the backlight mode in response to a mouseclick
+
+        Parameters:
+        """
         self._flasher = 0
         if self.backlit:
             self.toggle_backlight(True)
 
-
     def update(self):
+        """
+        Update display 
+        """
         wmoo.Application.update(self)
         self._count += 1
         if self._count <= 3:
@@ -188,6 +223,8 @@ def run_glib_mainloop():
 def main():
     """
     The main entry point of the application.
+
+    Parameters:
     """
     app = Application(font_name='5x8',
                       margin = 3,