Fix #92 - Added newline to example in G-3190

Author: kibeha

docs/4-language-usage/3-dml-and-sql/1-general/g-3190.md

@@ -16,6 +16,7 @@ select department_name
   from employees natural join departments
  order by department_name 
          ,last_name;
+
 DEPARTMENT_NAME                LAST_NAME                 FIRST_NAME         
 ------------------------------ ------------------------- --------------------
 Accounting                     Gietz                     William