examples: fix suggestions
examples: fix suggestions

Signed-off-by: Leonardo Rossi <5460ec99b71a72e7693c4088b5c2585e76e1c857@cern.ch>

inveniosoftware/invenio-records-rest,inveniosoftware/invenio-records-rest,tiborsimko/invenio-records-rest,tiborsimko/invenio-records-rest