[TASK] Slightly update documentation

Change-Id: I25b0243169794ab96c1d75eb442812136b2adcab
[TASK] Rename variable to be more consistent

Change-Id: If5d96ce1fbaa9b5b5bdaff77ebb9d864f60ac671
[TASK] Rename method "isPluginCalled" to be "isPluginRequired"

Change-Id: I7e6681bac6f51c0e58f59efd101281761711baf6