diff --git a/Image-RGB-to-Gray/dataset_generator.cpp b/Image-RGB-to-Gray/dataset_generator.cpp
index 3b5aae5..2e55b48 100644
--- a/Image-RGB-to-Gray/dataset_generator.cpp
+++ b/Image-RGB-to-Gray/dataset_generator.cpp
@@ -11,7 +11,7 @@ static void compute(unsigned char *output, unsigned char *input,
 			unsigned int idx = ii * x + jj;
 			float r = input[3 * idx];     // red value for pixel
 			float g = input[3 * idx + 1]; // green value for pixel
-			float b = input[3 * idx + 2];
+			float b = input[3 * idx + 2]; // blue value for pixel
 			output[idx] = (unsigned char)(0.21f * r + 0.71f * g + 0.07f * b);
 		}
 	}
diff --git a/Image-RGB-to-Gray/imageRGBtoGray.cu b/Image-RGB-to-Gray/imageRGBtoGray.cu
index e2047cf..d7ec473 100644
--- a/Image-RGB-to-Gray/imageRGBtoGray.cu
+++ b/Image-RGB-to-Gray/imageRGBtoGray.cu
@@ -1,4 +1,4 @@
-#include <bits/stdc++.h>
+coe #include <bits/stdc++.h>
 #include "wb.h"
 using namespace std;