Fix formatting errors in DIRECTORY.md (TheAlgorithms#2896)

Preshita01 · web-flow · commit 97dfbfd67fde · 2022-01-04T16:11:28.000+02:00
diff --git a/DIRECTORY.md b/DIRECTORY.md
@@ -404,6 +404,9 @@
             * [Upper](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/strings/Upper.java)
             * [WordLadder](https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/strings/WordLadder.java)
   * test
+    * java
+      * com
+        * thealgorithms
           * maths
             * [KaprekarNumbersTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/maths/KaprekarNumbersTest.java)
             * [PascalTriangleTest](https://github.com/TheAlgorithms/Java/blob/master/src/test/java/com/thealgorithms/maths/PascalTriangleTest.java)
