Fix a couple of command descriptions.

--HG--
branch : setuptools
extra : convert_revision : svn%3A6015fed2-1504-0410-9fe1-9d1591cc4771/sandbox/trunk/setuptools%4041095

setuptools/command/alias.py

@@ -6,9 +6,9 @@ from distutils.errors import *
 from setuptools.command.setopt import edit_config, option_base
 
 class alias(option_base):
-    """Abstract base class for commands that mess with config files"""
+    """Define a shortcut that invokes one or more commands"""
     
-    description = "set an option in setup.cfg or another config file"
+    description = "define a shortcut to invoke one or more commands"
 
     user_options = [
         ('alias=',  'a',  'the name of the new pseudo-command'),

setuptools/command/rotate.py

@@ -7,7 +7,7 @@ from distutils.errors import *
 class rotate(Command):
     """Delete older distributions"""
 
-    description = "Delete older distributions, keeping N newest files"
+    description = "delete older distributions, keeping N newest files"
     user_options = [
         ('match=',    'm', "patterns to match (required)"),
         ('dist-dir=', 'd', "directory where the distributions are"),