Update comment on changed method

src/arkhamdb/DeckImporterMain.ttslua

@@ -490,9 +490,9 @@ function getCardName(cardId)
   end
 end
 
--- Count the number of cards in each zone
+-- Split a single list of cards into a separate table of lists, keyed by the zone
 ---@param cards: Table of {cardData, cardMetadata, zone}
----@return: Table of {zoneName=zoneCount}
+---@return: Table of {zoneName=card list}
 function buildZoneLists(cards)
   local zoneList = {}
   for _, card in ipairs(cards) do