more detailed instructions for getting started

Author: williamgrimes

README.md

@@ -12,7 +12,9 @@ If you are familiar with git version control and have git installed then you can
 
     git clone https://github.com/williamgrimes/python_in_a_notebook.git
 
-Otherwise navigate to the following webpage: (https://github.com/williamgrimes/python_in_a_notebook.git)
+Otherwise navigate to the following webpage: 
+
+https://github.com/williamgrimes/python_in_a_notebook.git
 
 And select `Clone or download`, then download the zip file and extract.