Typo fix s/from to/to/
Typo fix s/from to/to/

As requested by @jpetitcolas at https://github.com/marmelab/admin-on-rest/pull/210#discussion_r94726068
marmelab/admin-on-rest,matteolc/admin-on-rest,matteolc/admin-on-rest,marmelab/admin-on-rest