diff --git a/hls/assignment/sobel/sobel.cpp b/hls/assignment/sobel/sobel.cpp
index d7a3173..f0cb164 100644
--- a/hls/assignment/sobel/sobel.cpp
+++ b/hls/assignment/sobel/sobel.cpp
@@ -3,13 +3,19 @@
 
 void sobel(uint8_t *__restrict__ out, uint8_t *__restrict__ in, int width, int height)
 {
-    int sobelFilter[3][3] = {{-1, 0, 1}, {-2, 0, 2}, {-1, 0, 1}};
+    int sobelFilter[3][3] = {
+        {-1, 0, 1}, 
+        {-2, 0, 2}, 
+        {-1, 0, 1}
+    };
 
     for (int y = 1; y < height - 1; y++)
     {
         for (int x = 1; x < width - 1; x++)
         {
-            int dx = 0, dy = 0;
+            int dx = 0;
+            int dy = 0;
+
             for (int k = 0; k < 3; k++)
             {
                 for (int z = 0; z < 3; z++)
@@ -18,6 +24,7 @@ void sobel(uint8_t *__restrict__ out, uint8_t *__restrict__ in, int width, int h
                     dy += sobelFilter[z][k] * in[(y + k - 1) * width + x + z - 1];
                 }
             }
+
             out[y * width + x] = sqrt((float)((dx * dx) + (dy * dy)));
         }
     }