Update README.md

Author: tuttlepower

README.md

@@ -4,9 +4,9 @@ Simple Python code that helps to retrieve predictit market data.
 # data
 Given a number, returns a [Pandas](https://pandas.pydata.org/docs/) dataframe of the market data. It attempts to grab the last 90 days, but can be changed to 24h,7d, or 30d as well. Constructor defaults to '90d', but can take the other dates as an argument. 
 
-`df = data(6598)
+`df = data(6598)`
 
-print(df.head())`
+`print(df.head())`
 
 ![alt text](https://github.com/tuttlepower/predictit_markets/blob/master/images/output_example.PNG "Output Example")