Fixed quick example code in docs

Author: technige

docs/source/index.rst

@@ -20,7 +20,7 @@ Quick Example
         for record in tx.run("MATCH (a:Person)-[:KNOWS]->(f) "
                              "WHERE a.name = {name} "
                              "RETURN f.name", name=name):
-        print(record["f.name"])
+            print(record["f.name"])
 
     with driver.session() as session:
         session.read_transaction(print_friends_of, "Alice")