[zf2#1858] Update doc in sync with ZF2 PR #1858
[zf2#1858] Update doc in sync with ZF2 PR #1858

samsonasik/zf2-documentation,rettal/zf2-documentation,samsonasik/zf2-documentation,gennadiylitvinyuk/zf2-documentation,gennadiylitvinyuk/zf2-documentation,akrabat/zf2-documentation,Rud5G/zf2-documentation,akrabat/zf2-documentation,Rud5G/zf2-documentation,rettal/zf2-documentation