diff --git a/DIRECTORY.md b/DIRECTORY.md
index 9697dbc09869..ac8339042c66 100644
--- a/DIRECTORY.md
+++ b/DIRECTORY.md
@@ -1416,4 +1416,4 @@
           - 📁 **zigZagPattern**
             - 📄 [ZigZagPatternTest](src/test/java/com/thealgorithms/strings/zigZagPattern/ZigZagPatternTest.java)
         - 📁 **tree**
-          - 📄 [HeavyLightDecompositionTest](src/test/java/com/thealgorithms/tree/HeavyLightDecompositionTest.java)
\ No newline at end of file
+          - 📄 [HeavyLightDecompositionTest](src/test/java/com/thealgorithms/tree/HeavyLightDecompositionTest.java)