CLN: Fix trailing whitespace

Author: zbrookle

README.md

@@ -79,7 +79,7 @@ Order by and limit:
 ```
 
 Supported expressions and functions:
-```SQL 
+```SQL
 +, -, *, /
 ```
 ```SQL
@@ -113,7 +113,7 @@ CAST (<expression> AS <data_type>)
 
 *Data types in dataframe SQL support many different name for certain datatypes becuase
 popular SQL data types are not implemented with common names in pandas and other
-dataframe frameworks 
+dataframe frameworks
 <br>
 **To make this less confusing all data types that are of the same size on the
 backend are grouped together in this list