Fix a typo in the card activity
Fix a typo in the card activity

Fixes #366

Serubin/wekan,AlexanderS/wekan,mario-orlicky/wekan,fisle/wekan,Zyko0/wekan,oliver4u/WEKAN_runpartner,wykeith/cp2m,wykeith/cp2m,gelojavonitalla/wekan,AdrianoCahete/wekan,umeshrs/wekan,wekan/wekan,felipecosta07/js,oliver4u/sap-wekan,oliver4u/WEKAN_runpartner,libreboard/libreboard,oliver4u/WEKAN_runpartner,ndarilek/wekan,pro-to-tip/wekan,ahmadassaf/libreboard,jtickle/wekan,Xperterra/wekan,libreboard/libreboard,Zyko0/wekan,nztqa/wekan,nztqa/wekan,Serubin/wekan,pro-to-tip/wekan,fisle/wekan,wekan/wekan,Xperterra/wekan,ndarilek/wekan,GhassenRjab/wekan,oliver4u/sap-wekan,floatinghotpot/wekan,araczkowski/paczka.pro,oliver4u/sap-wekan,AlexanderS/wekan,ddanssaert/wekan,nztqa/wekan,felipecosta07/js,ddanssaert/wekan,AdrianoCahete/wekan,atFriendly/wekan,umeshrs/wekan,wekan/wekan,johnleeming/wekan,ahmadassaf/libreboard,mario-orlicky/wekan,wekan/wekan,araczkowski/paczka.pro,FSFTN/Wekan,johnleeming/wekan,GhassenRjab/wekan,mario-orlicky/wekan,GhassenRjab/wekan,ddanssaert/wekan,jtickle/wekan,johnleeming/wekan,wekan/wekan,Serubin/wekan,ahmadassaf/libreboard,araczkowski/paczka.pro,floatinghotpot/wekan,johnleeming/wekan,FSFTN/Wekan,gelojavonitalla/wekan,atFriendly/wekan,jtickle/wekan