minor #2180 [Doc] fixed some issues in the VichUploader integration tutorial (javiereguiluz)
minor #2180 [Doc] fixed some issues in the VichUploader integration tutorial (javiereguiluz)

This PR was merged into the 1.x branch.

Discussion
----------

[Doc] fixed some issues in the VichUploader integration tutorial

This fixes #2138.

Commits
-------

feae11f8 [Doc] fixed some issues in the VichUploader integration tutorial

OskarStark/EasyAdminBundle,javiereguiluz/EasyAdminBundle,javiereguiluz/EasyAdminBundle,yceruto/EasyAdminBundle,OskarStark/EasyAdminBundle,yceruto/EasyAdminBundle,yceruto/EasyAdminBundle,OskarStark/EasyAdminBundle