history:fixed message in MinimalVersionCheck job

fixed incorrect instructions for upgrade of
engine & dwh on MinimalVersionCheck job.

Change-Id: Ib566681c00b745ec6459154a35816cce2e0acb7d
Bug-Url: https://bugzilla.redhat.com/1090914
Signed-off-by: Shirly Radco <sradco@redhat.com>