fix: translate in core

resources/lang/en.json

@@ -580,7 +580,8 @@
     "alliance_renewed": "Your alliance with {name} has been renewed",
     "wants_to_renew_alliance": "{name} wants to renew your alliance",
     "ignore": "Ignore",
-    "unit_voluntarily_deleted": "Unit voluntarily deleted"
+    "unit_voluntarily_deleted": "Unit voluntarily deleted",
+    "enemy_boat_destroyed": "{name} boat was destroyed"
   },
   "unit_info_modal": {
     "structure_info": "Structure Info",

src/core/game/UnitImpl.ts

@@ -275,9 +275,11 @@ export class UnitImpl implements Unit {
             const targetOwner = this.mg.owner(targetTile);
             if (targetOwner.isPlayer() && targetOwner !== this._owner) {
               this.mg.displayMessage(
-                `${this._owner.displayName()} boat was destroyed`,
+                "events_display.enemy_boat_destroyed",
                 MessageType.UNIT_DESTROYED,
                 targetOwner.id(),
+                undefined,
+                { name: this._owner.displayName() },
               );
             }
           }