Update known-issues.rst
Update known-issues.rst

Add missing word.
sineer/iocage,vtalk/iocage,skoef/iocage,notdavidcronenberg/iocage,skunkwerks/iocage,sineer/iocage,freqlabs/iocage,moviuro/iocage,dlangille/iocage,lattera/iocage,sineer/iocage