docs: update Mercurial requirement
    
        | author | Steve Losh <steve@stevelosh.com> | 
    
        | date | Sat, 03 Jul 2010 15:12:06 -0400 | 
    
    
        | parents | 065cc3c25894 | 
    
        | children | c631e35b5827 | 
    
        | branches/tags | initial-docs | 
    
        | files | docs/overview.rst | 
Changes
    
--- a/docs/overview.rst	Sat Jul 03 15:11:45 2010 -0400
+++ b/docs/overview.rst	Sat Jul 03 15:12:06 2010 -0400
@@ -2,13 +2,13 @@
 ========
 
 Let's get started using hg-review.  No matter how you want to use it, you need
-to install it first!
+to install it first. 
 
 Installation
 ------------
 
 hg-review requires `Python <http://python.org>`_ 2.5 or later and `Mercurial
-<http://hg-scm.org>`_ 1.4 or later
+<http://hg-scm.org>`_ 1.6 or later
 
 You probably have both of these requirements already, but if you encounter
 problems you might want to check these first with ``python --version`` and