diff --git a/irc/base_command.py b/irc/base_command.py
index 2e1f123..8713020 100644
--- a/irc/base_command.py
+++ b/irc/base_command.py
@@ -4,21 +4,30 @@
 
 class BaseCommand(object):
     def __init__(self, connection):
-        """docstring"""
+        """A base class for commands on IRC."""
         self.connection = connection
 
     def get_hook(self):
-        """Hooks are: 'msg', 'msg_private', 'msg_public', and 'join'."""
+        """Hooks are: 'msg', 'msg_private', 'msg_public', and 'join'. Return
+        the hook you want this command to be called on."""
         return None
 
     def get_help(self, command):
-        """docstring"""
+        """Return help information for the command, used by !help. return None
+        for no help. If a given class handles multiple commands, the command
+        variable can be used to return different help for each one."""
         return None
 
     def check(self, data):
-        """docstring"""
+        """Given a Data() object, return True if we should respond to this
+        activity, or False if we should ignore it/it doesn't apply to us. Most
+        commands return True if data.command == 'command_name', otherwise
+        they return False."""
         return False
 
     def process(self, data):
-        """docstring"""
+        """Handle an activity (usually a message) on IRC. At this point, thanks
+        to self.check() which is called automatically by command_handler, we
+        know this is something we should respond to, so (usually) a
+        'if data.command != "command_name": return' is unnecessary."""
         pass