arreglando links nuevos

Author: EfrainReyes

README.md

@@ -53,8 +53,8 @@ Si tienes un libro, tutorial, o recurso que recomiendas puedes hacer un pull req
 * [Engine Yard](platforms_as_a_service/engine_yard.md) :heavy_exclamation_mark:
 * [Heroku](platforms_as_a_service/heroku.md) :heavy_exclamation_mark:
 * [Nodejitsu](platforms_as_a_service) :heavy_exclamation_mark:
-* [Docker Cloud] (platforms_as_a_service/docker_cloud.md) :heavy_exclamation_mark:
-* [Digital Ocean] (platforms_as_a_service/digital_ocean.md) :heavy_exclamation_mark:
+* [Docker Cloud](platforms_as_a_service/docker_cloud.md) :heavy_exclamation_mark:
+* [Digital Ocean](platforms_as_a_service/digital_ocean.md) :heavy_exclamation_mark:
 
 ###SQL Databases
 * [MySQL](sql_databases/mysql.md) :heavy_exclamation_mark: