diff --git a/src/Assignments/A2/Substrings.java b/src/Assignments/A2/Substrings.java
index de26dc3..97992f7 100644
--- a/src/Assignments/A2/Substrings.java
+++ b/src/Assignments/A2/Substrings.java
@@ -67,11 +67,16 @@ import java.util.Scanner;
  */
 public class Substrings {
 
+    /**
+     * Starts the program.
+     * @param args the program arguments.
+     */
     public static void main(String[] args) {
         Substrings program = new Substrings();
         program.start();
     }
 
+    /* Private fields that store the text, and results from the algorithm */
     private String text;
     private int subStringCount;
     private int comparisons;
@@ -121,10 +126,12 @@ public class Substrings {
      * @postcondition the results are generated.
      */
     private void performAlgorithm() {
+        /* Resets the counters to prevent them being added on reruns */
         this.subStringCount = 0;
         this.comparisons = 0;
-        char[] values = this.text.toLowerCase().toCharArray();
 
+        /* Allows to grabbing specific values are certain indexes. */
+        char[] values = this.text.toLowerCase().toCharArray();
         for (int i = 0; i < this.text.length(); i++) {
             if (values[i] == 'a') {
                 for (int j = i+1; j < this.text.length(); j++) {