Change examples syntax on mysql_db module

lib/ansible/modules/database/mysql/mysql_db.py

@@ -79,11 +79,18 @@ extends_documentation_fragment: mysql
 
 EXAMPLES = '''
 # Create a new database with name 'bobdata'
-- mysql_db: name=bobdata state=present
+- mysql_db:
+    name: bobdata
+    state: present
 
 # Copy database dump file to remote host and restore it to database 'my_db'
-- copy: src=dump.sql.bz2 dest=/tmp
-- mysql_db: name=my_db state=import target=/tmp/dump.sql.bz2
+- copy:
+    src: dump.sql.bz2
+    dest: /tmp
+- mysql_db:
+    name: my_db
+    state: import
+    target: /tmp/dump.sql.bz2
 
 # Dumps all databases to hostname.sql
 - mysql_db: state=dump name=all target=/tmp/{{ inventory_hostname }}.sql