diff --git a/OOP/Java/Lab/Week4/MatrixMulp.java b/OOP/Java/Lab/Week4/MatrixMulp.java
index ec32e1e..765b5df 100644
--- a/OOP/Java/Lab/Week4/MatrixMulp.java
+++ b/OOP/Java/Lab/Week4/MatrixMulp.java
@@ -43,6 +43,7 @@ class MatrixMulp {
             }
         }
 
+        // Adding matrices
         if (m == p && n == q) {
             int[][] C = new int[m][n];
             for (int i = 0; i < m; i++) {
@@ -54,6 +55,7 @@ class MatrixMulp {
             printMatrix(C);
         }
 
+        // Multiplying matrices
         if (n == p) {
             int[][] D = new int[m][q];
             for (int i = 0; i < m; i++) {