Liberty S1: add po comment for Erwyn

data/campaigns/Liberty/scenarios/01_The_Raid.cfg

@@ -35,6 +35,7 @@ Months... seven months it’s been since the Crown did send a single guard here
             #po: Harper's mother's brother. In some human societies,
             #po: including the Navaho and Akan, this would give him a
             #po: special responsibility for the boy.
+            #po: Erwyn is Baldras' younger sister, so languages with a special word for that should use it
             story= _ "Sun was out today, but it was raining too. Weird mix of brightness and woe. Reminds me of that day Harper’s pa died in that orc raid. Since my sister Erwyn died when he was young, poor lad had nobody left but me. Never wanted no kid of my own but... well, he’s mine to take care of now. Fine lad, that one, just a bit careless like his pa. I’ll needs to keep a good eye on him now, with all them orcs running round here of late."
             background=story/frontier.jpg
         [/part]