Go to map view, select "Menu" -> "Define view" -> "POI..." -> "Wikipedia (offline)"
Click and hold on some of these orange dots, so that the grey box appears, then select "Show POI description" and it will give you the description you would normally read on the wiki homepage concerning this POI.
Your POI used, does it say it is an "Wikipedia (offline)" POI once this grey box pops up?(The first line in the grey box says, to which category this POI belongs)