diff --git a/SkylineProblem/SkylineProblem.java b/SkylineProblem/SkylineProblem.java
index a0b70631a..121116e16 100644
--- a/SkylineProblem/SkylineProblem.java
+++ b/SkylineProblem/SkylineProblem.java
@@ -1,3 +1,9 @@
+/**
+ * Given n rectangular buildings in a 2-dimensional city, computes the skyline of these buildings,
+ * eliminating hidden lines. The main task is to view buildings from a side and remove all sections
+ * that are not visible.
+ * Source for explanation: https://www.geeksforgeeks.org/the-skyline-problem-using-divide-and-conquer-algorithm/
+ */
 import java.util.ArrayList;
 import java.util.Iterator;
 import java.util.Scanner;