diff --git a/src/AdminCommands.py b/src/AdminCommands.py
index c10e34974..c9b7aee22 100755
--- a/src/AdminCommands.py
+++ b/src/AdminCommands.py
@@ -30,7 +30,8 @@
 ###
 
 """
-Add the module docstring here.  This will be used by the setup.py script.
+These are commands useful for administrating the bot; they all require their
+caller to have the 'admin' capability.  This plugin is loaded by default.
 """
 
 import string
diff --git a/src/ChannelCommands.py b/src/ChannelCommands.py
index 604967133..27a33d2aa 100755
--- a/src/ChannelCommands.py
+++ b/src/ChannelCommands.py
@@ -30,7 +30,8 @@
 ###
 
 """
-Basic channel management commands.
+Basic channel management commands.  Many of these commands require their caller
+to have the <channel>.op capability.  This plugin is loaded by default.
 """
 
 import time
diff --git a/src/OwnerCommands.py b/src/OwnerCommands.py
index 21d08f768..66606003a 100644
--- a/src/OwnerCommands.py
+++ b/src/OwnerCommands.py
@@ -29,6 +29,11 @@
 # POSSIBILITY OF SUCH DAMAGE.
 ###
 
+"""
+Provides commands useful to the owner of the bot; the commands here require
+their caller to have the 'owner' capability.  This plugin is loaded by default.
+"""
+
 import os
 import gc
 import imp
diff --git a/src/UserCommands.py b/src/UserCommands.py
index 53995a54b..6e325c20d 100755
--- a/src/UserCommands.py
+++ b/src/UserCommands.py
@@ -30,7 +30,7 @@
 ###
 
 """
-Add the module docstring here.  This will be used by the setup.py script.
+Provides commands useful to users in general. This plugin is loaded by default.
 """
 
 import string