diff --git a/src/main/java/com/gmail/nossr50/datatypes/AbilityType.java b/src/main/java/com/gmail/nossr50/datatypes/AbilityType.java
index 7719306ae..32e12d139 100644
--- a/src/main/java/com/gmail/nossr50/datatypes/AbilityType.java
+++ b/src/main/java/com/gmail/nossr50/datatypes/AbilityType.java
@@ -10,8 +10,7 @@ import com.gmail.nossr50.skills.Excavation;
 import com.gmail.nossr50.skills.Herbalism;
 import com.gmail.nossr50.skills.Mining;
 
-public enum AbilityType
-{
+public enum AbilityType {
     BERSERK(LoadProperties.berserkCooldown, mcLocale.getString("Skills.BerserkOn"), mcLocale.getString("Skills.BerserkOff"), "Skills.BerserkPlayer", mcLocale.getString("Skills.YourBerserk"), "Skills.BerserkPlayerOff"),
     SUPER_BREAKER(LoadProperties.superBreakerCooldown, mcLocale.getString("Skills.SuperBreakerOn"), mcLocale.getString("Skills.SuperBreakerOff"), "Skills.SuperBreakerPlayer", mcLocale.getString("Skills.YourSuperBreaker"), "Skills.SuperBreakerPlayerOff"),
     GIGA_DRILL_BREAKER(LoadProperties.gigaDrillBreakerCooldown, mcLocale.getString("Skills.GigaDrillBreakerOn"), mcLocale.getString("Skills.GigaDrillBreakerOff"), "Skills.GigaDrillBreakerPlayer", mcLocale.getString("Skills.YourGigaDrillBreaker"), "Skills.GigaDrillBreakerPlayerOff"),
diff --git a/src/main/java/com/gmail/nossr50/datatypes/Tree.java b/src/main/java/com/gmail/nossr50/datatypes/Tree.java
index fd77da0ec..3fe54ea9c 100644
--- a/src/main/java/com/gmail/nossr50/datatypes/Tree.java
+++ b/src/main/java/com/gmail/nossr50/datatypes/Tree.java
@@ -6,34 +6,49 @@ import com.gmail.nossr50.datatypes.PlayerStat;
 
 public class Tree {
 
-	TreeNode root = null;
+    private TreeNode root = null;
 
-	public Tree(){}
+    public Tree(){}
 
-	public void add(String p, int in)
-	{
-		if(root == null){
-			root = new TreeNode(p, in);
-		}
-		else
-			root.add(p,in);
-	}
-	
-	public PlayerStat[] inOrder()
-	{
-		if(root != null){
-			ArrayList<PlayerStat> order = root.inOrder(new ArrayList<PlayerStat>());
-			return order.toArray(new PlayerStat[order.size()]);	
-		} else {
-			//Throw some dummy info in case the users file is empty
-			//It's not a good fix but its better than rewriting the whole system
-			ArrayList<PlayerStat> x = new ArrayList<PlayerStat>();
-			PlayerStat y = new PlayerStat();
-			y.name = "$mcMMO_DummyInfo";
-			y.statVal = 0;
-			x.add(y);
-			return x.toArray(new PlayerStat[x.size()]);
-		}
-	}
+    /**
+     * Add a node to this tree.
+     *
+     * @param p Player name
+     * @param in Stat value
+     */
+    public void add(String p, int in) {
+        if (root == null) {
+            root = new TreeNode(p, in);
+        }
+        else {
+            root.add(p, in);
+        }
+    }
 
+    /**
+     * Retrieve an array of PlayerStats from the Tree.
+     *
+     * @return the player stats of this tree, in order
+     */
+    public PlayerStat[] inOrder() {
+        if (root != null) {
+            ArrayList<PlayerStat> order = root.inOrder(new ArrayList<PlayerStat>());
+
+            return order.toArray(new PlayerStat[order.size()]);
+        }
+        else {
+
+            /* Throw some dummy info in case the users file is empty.
+             * It's not a good fix but its better than rewriting the whole system.
+             */
+            ArrayList<PlayerStat> x = new ArrayList<PlayerStat>();
+            PlayerStat y = new PlayerStat();
+
+            y.name = "$mcMMO_DummyInfo";
+            y.statVal = 0;
+            x.add(y);
+
+            return x.toArray(new PlayerStat[x.size()]);
+        }
+    }
 }