spring-projects/spring-boot — pull request #961 by dk0de (2014-05-27 15:26:23+00:00)
Title: Update appendix-application-properties.adoc

As mentionned [http://docs.spring.io/spring-boot/docs/current-SNAPSHOT/reference/htmlsingle/#howto-customize-view-resolvers]: ".vm" is the default suffix of Velocity view name