A system has been added that will automatically add divination cards and other items to the item acquisition sections where appropriate. Entries added by this system will be shown as automatic in the item acquisition section.
Some pages will need to be updated to include
upgraded_from_disabled=true if they are not eligible for the system.
Some further details on what needs to be done can be found on Path of Exile Wiki:To-do list/Automatic upgraded from and issues can be posted on the talk page.
4% additional Physical Damage Reduction while Channelling
Channelling Skills have 6% increased Attack and Cast Speed 
Singular Focus is a notable passive skill. The notable grants 4% additional Physical Damage Reduction while Channelling, 6% increased Attack and Cast Speed with Channelling Skills and 15% increased Damage with Channelling Skills. The other passives in the cluster grant a total of 44% increased Damage with Channelling Skills and 6% increased Attack and Cast Speed with Channelling Skills, spread across 4 passives.