diff --git a/recipe.md b/recipe.md
index a8b51a4d..0de39ce7 100644
--- a/recipe.md
+++ b/recipe.md
@@ -4,9 +4,17 @@
 - 2 cups all-purpose flour
 - 1 3/4 cups granulated sugar
 - 3/4 cup unsweetened cocoa powder
+- 1 cup chocolate chips
+- 1 tsp vanilla extract
 - ...
 
+
 ## Instructions:
-1. Preheat the oven to 350°F (175°C).
-2. In a large bowl, whisk together the flour, sugar, and cocoa powder.
-3. ...
\ No newline at end of file
+1. Preheat the oven to 400°F (175°C).
+2. In a large bowl, whisk together the flour, sugar, cocoa powder, chocolate chips, and vanilla extract.
+3. ...
+
+## Additional Directions by Alice:
+4. In a separate bowl, beat the eggs and add them to the mixture. Stir until well combined.
+5. Gradually add the milk and vegetable oil to the mixture, continuing to stir.
+6. Pour the batter into a greased and floured 9x13-inch baking pan.
diff --git a/src/DataTypes.java b/src/DataTypes.java
index 4f807c1f..10cff49b 100644
--- a/src/DataTypes.java
+++ b/src/DataTypes.java
@@ -1,12 +1,13 @@
 import java.util.List;
 
 public class DataTypes {
-    // TODO TASK 1: fix this code so that it passes the test in DataTypesTest.java
+
     public static long sum(List<Integer> numbers) {
 
-        int s = 0;
+
+        long s = 0;
         // below is a "foreach" loop which iterates through numbers
-        for (int x : numbers) {
+        for (long x : numbers) {
             s += x;
         }
         return s;