Update README.rst

Author: evaherrada

README.rst

@@ -62,7 +62,7 @@ To read the gas sensor and temperature simply read the attributes:
 
 .. code:: python
 
-    print("CO2: ", ccs.eCO2, " TVOC:", ccs.TVOC, " temp:", ccs.temperature)
+    print("CO2: ", ccs.eco2, " TVOC:", ccs.tvoc, " temp:", ccs.temperature)
 
 Contributing
 ============
@@ -116,4 +116,4 @@ Now, once you have the virtual environment activated:
 
 This will output the documentation to ``docs/_build/html``. Open the index.html in your browser to
 view them. It will also (due to -W) error out on any warning like Travis will. This is a good way to
-locally verify it will pass.
+locally verify it will pass.