docs(sql): fit sugguestion

Co-authored-by: Micael Levi L. Cavalcante <[email protected]>

Author: ppodds

content/techniques/sql.md

@@ -589,7 +589,7 @@ export class AppModule {}
 >   inject: [ConfigService],
 > }),
 > ```
-> [@nestjs/typeorm issue](https://github.com/nestjs/typeorm/issues/86)
+> See [`@nestjs/typeorm` issue](https://github.com/nestjs/typeorm/issues/86).
 
 At this point, you have `User` and `Album` entities registered with their own connection. With this setup, you have to tell the `TypeOrmModule.forFeature()` method and the `@InjectRepository()` decorator which connection should be used. If you do not pass any connection name, the `default` connection is used.