Update docs/languages/en/user-guide/modules.rst
Update docs/languages/en/user-guide/modules.rst

The configuration section had a correct example, but the explanatory text referenced "controller" instead of "controllers" as the configuration section. Fixed.
Rud5G/zf2-documentation,Rud5G/zf2-documentation,rettal/zf2-documentation,rettal/zf2-documentation,akrabat/zf2-documentation,gennadiylitvinyuk/zf2-documentation,samsonasik/zf2-documentation,gennadiylitvinyuk/zf2-documentation,samsonasik/zf2-documentation,akrabat/zf2-documentation