Update readme.md

Author: javadev

src/main/java/g3201_3300/s3248_snake_in_matrix/readme.md

@@ -18,7 +18,7 @@ Return the position of the final cell where the snake ends up after executing `c
 
 **Explanation:**
 
-![image](https://leetcode-in-java.github.io/src/main/java/g3201_3300/s3248_snake_in_matrix/image01.png)
+![image](https://leetcode-images.github.io/g3201_3300/s3248_snake_in_matrix/image01.png)
 
 **Example 2:**
 
@@ -28,11 +28,11 @@ Return the position of the final cell where the snake ends up after executing `c
 
 **Explanation:**
 
-![image](https://leetcode-in-java.github.io/src/main/java/g3201_3300/s3248_snake_in_matrix/image02.png)
+![image](https://leetcode-images.github.io/g3201_3300/s3248_snake_in_matrix/image02.png)
 
 **Constraints:**
 
 *   `2 <= n <= 10`
 *   `1 <= commands.length <= 100`
 *   `commands` consists only of `"UP"`, `"RIGHT"`, `"DOWN"`, and `"LEFT"`.
-*   The input is generated such the snake will not move outside of the boundaries.
+*   The input is generated such the snake will not move outside of the boundaries.