fixed typo

Author: Larry Peterson

README.rst

@@ -40,9 +40,8 @@ To build a web-viewable version, you first need to download the source:
    mkdir ~/5G 
    cd ~/5G 
    git clone https://github.com/SystemsApproach/5G.git 
-   cd 5G 
 
-The build process is stored in the Makefile and requires Python to be 
+The build process is stored in the Makefile and requires Python be 
 installed. The Makefile will create a virtualenv (``doc_venv``) which 
 installs the documentation generation toolset.