Add newline before "You may also use select *..."

Author: lnishan

README.md

@@ -102,7 +102,7 @@ SELECT
 ### Supported Fields
 
 Most of the fields listed in [GitHub API v3](https://developer.github.com/v3/) are available for query.  
-For example, for `org_name.repos` queries, you can specify `id`, `name`, `full_name`, `description` ... etc. in expr's.
+For example, for `org_name.repos` queries, you can specify `id`, `name`, `full_name`, `description` ... etc. in expr's.  
 You may also use `select *` for the full list of fields.
 
 ### Supported Functions