diff --git a/src/com/annimon/turrets/Background.java b/src/com/annimon/turrets/Background.java
index 03642dd..01396d4 100644
--- a/src/com/annimon/turrets/Background.java
+++ b/src/com/annimon/turrets/Background.java
@@ -47,7 +47,7 @@ public final class Background {
         
         g.setColor(color);
         for (int y = -rad; y < rad; y++) {
-            int x1 = (int) (Math.sqrt(rad * rad - y * y));
+            final int x1 = (int) (Math.sqrt(rad * rad - y * y));
             for (int x = -x1; x < x1; x++) {
                 final int n = (int) (Util.rand(x1) / shade);
                 if (n > x1 + x) {
diff --git a/src/com/annimon/turrets/Turret.java b/src/com/annimon/turrets/Turret.java
index 6b661fa..ded3810 100644
--- a/src/com/annimon/turrets/Turret.java
+++ b/src/com/annimon/turrets/Turret.java
@@ -33,7 +33,7 @@ public final class Turret {
     // Shooting
     private boolean shootState;
     private final ShootInfo shootInfo;
-    private final Terrain terrain; // TODO GameInfo
+    private final Terrain terrain;
     private final Wind wind;
     private TurretListener listener;