diff --git a/src/main/java/Model/Sale.java b/src/main/java/Model/Sale.java
index 7653df4..e130f41 100644
--- a/src/main/java/Model/Sale.java
+++ b/src/main/java/Model/Sale.java
@@ -1,31 +1,35 @@
 package Model;
+
 import java.math.BigDecimal;
 
+/**
+ * Sale class for whenever the player makes a sale.
+ */
 public class Sale extends Transaction {
-    public Sale(Share share, int week) {
-        super(share, week, new SaleCalculator(share));
-    }
+  public Sale(Share share, int week) {
+    super(share, week, new SaleCalculator(share));
+  }
 
-    @Override
-    public void commit(Player player) {
-        if (player == null) {
-            throw new IllegalArgumentException("Player cannot be null");
-        }
-        if (isCommitted()) {
-            throw new IllegalStateException("Sale has already been committed");
-        }
-        if (!player.getPortfolio().contains(this.getShare())) {
-            throw new IllegalStateException(
-                "Share not found in player's portfolio: " + this.getShare().getStock().getSymbol()
-            );
-        }
+  @Override
+  public void commit(Player player) {
+    if (player == null) {
+      throw new IllegalArgumentException("Player cannot be null");
+    }
+    if (isCommitted()) {
+      throw new IllegalStateException("Sale has already been committed");
+    }
+    if (!player.getPortfolio().contains(this.getShare())) {
+      throw new IllegalStateException(
+      "Share not found in player's portfolio: " + this.getShare().getStock().getSymbol()
+      );
+    }
 
-        BigDecimal price = getCalculator().calculateTotal();
+    BigDecimal price = getCalculator().calculateTotal();
 
-        player.addMoney(price);
-        player.getPortfolio().removeShare(this.getShare());
-        player.getTransactionArchive().add(this);
+    player.addMoney(price);
+    player.getPortfolio().removeShare(this.getShare());
+    player.getTransactionArchive().add(this);
 
-        this.committed = true;
-    }
+    this.committed = true;
+  }
 }