Change description of -e option
Change description of -e option

...to reflect that this value is not absolute, but the N+1 limit
of the score will be added.

Signed-off-by: Klaus Aehlig <4ce51de36d9068cd7db2eec1151e0f3f95419008@google.com>
Reviewed-by: Petr Pudlak <9d19625f8ee825a2c398462ed335cbcf98f79c32@google.com>

dimara/ganeti,bitemyapp/ganeti,leshchevds/ganeti,leshchevds/ganeti,onponomarev/ganeti,ganeti/ganeti,yiannist/ganeti,onponomarev/ganeti,andir/ganeti,yiannist/ganeti,mbakke/ganeti,bitemyapp/ganeti,grnet/snf-ganeti,mbakke/ganeti,grnet/snf-ganeti,dimara/ganeti,ganeti/ganeti,ganeti/ganeti,andir/ganeti,yiannist/ganeti,leshchevds/ganeti,andir/ganeti,mbakke/ganeti