Text and database fixes (#236)

* Text fixes

domdiv/card_db/nl_du/cards_nl_du.json

@@ -2367,7 +2367,7 @@
         "untranslated": "description, extra, name"
     },
     "Improve": {
-        "description": "+2 Coin<br><br>At the start of Clean-up, you may trash an Action acrd you would discard from play this turn, to gain a card costing exactly 1 Coin more than it.", 
+        "description": "+2 Coin<br><br>At the start of Clean-up, you may trash an Action card you would discard from play this turn, to gain a card costing exactly 1 Coin more than it.", 
         "extra": "You can only trash an Action card that would be discarded this turn; you cannot trash a non-Action like Silver, or a Duration card that will stay out (but you can trash a Duration card that will be discarded). You can trash the Improve itself. The card you gain does not have to be an Action, it just has to cost exactly 1 Coin more than the trashed Action. Using this ability is optional, but if you trash a card then you have to gain one if you can.", 
         "name": "Improve", 
         "untranslated": "description, extra, name"