Fixed minor wording in documentation

Author: carlos-jenkins

README.rst

@@ -25,9 +25,8 @@ Dependencies
 Setup
 =====
 
-You can configure what the application does by changing copying the sample
-config file ``config.json.sample`` to ``config.json`` and changing it to your
-needs:
+You can configure what the application does by copying the sample config file 
+``config.json.sample`` to ``config.json`` and adapting it to your needs:
 
 ::