Fix missing escape char!

Author: Anass Rach

_config.yml

@@ -1,6 +1,6 @@
 title: Java 21 OCP Flashcards
 description: A Structured collection of flashcards to help you prepare for the Oracle Certified Professional (OCP) Java 21 exam.
-remote_theme: just-the-docs
+remote_theme: just-the-docs/just-the-docs
 
 plugins:
   - jekyll-remote-theme

math.md

@@ -112,6 +112,7 @@ System.out.println(Arrays.mismatch(a, c));  // 2 (differ at index 2)
 
 **Rule:** Arrays class provides **utility methods** for common array operations like sorting, searching, and comparison.
 
+{% raw %}
 ```java
 import java.util.Arrays;
 
@@ -144,14 +145,6 @@ System.out.println(arr1 == arr2);              // false (reference comparison)
 System.out.println(Arrays.equals(arr1, arr2)); // true (content comparison)
 System.out.println(Arrays.equals(arr1, arr3)); // false (different content)
 
-// Multi-dimensional arrays
-int[][] matrix1 = {{1, 2}, {3, 4}};
-int[][] matrix2 = {{1, 2}, {3, 4}};
-
-System.out.println(Arrays.equals(matrix1, matrix2));     // false (shallow comparison)
-System.out.println(Arrays.deepEquals(matrix1, matrix2)); // true (deep comparison)
-```
-
 **Array to String conversion:**
 ```java
 int[] array = {1, 2, 3, 4, 5};