Text amends for readability

- Fixed . appearing in code-text
- Fixed code block not appearing correctly under list (used ``` rather than indenting)

docs/docs/usage.md

@@ -198,7 +198,7 @@ The library for PostgreSQL is`pg@~2.0.0`. You'll jus
 
 ### Executing raw SQL queries
 
-As there are often use cases in which it is just easier to execute raw / already prepared SQL queries, you can utilize the function`sequelize.query`.
+As there are often use cases in which it is just easier to execute raw / already prepared SQL queries, you can utilize the function `sequelize.query`.
 
 Here is how it works:
     
@@ -255,6 +255,7 @@ The syntax used depends on the fourth argument passed to the function:
 If the object contains keys not found in the query or vice verca, an exception
 will be thrown.
 
+```
     sequelize
       .query(
         'SELECT * FROM projects WHERE status = ?', null,
@@ -272,7 +273,7 @@ will be thrown.
       .success(function(projects) {
         console.log(projects)
       })
-    
+```    
 
 **One note:** If the attribute names of the table contain dots, the resulting objects will be nested: