diff --git a/README.md b/README.md
index 8963ac2..381bc5c 100644
--- a/README.md
+++ b/README.md
@@ -3,3 +3,5 @@
 * A ring buffer is an array which is used as a queue.
  * The ring buffer has a read position and a write position which marks the next position to read from and write to the ring buffer.
  * When the write position reaches the end of the array, the write position is set back to 0. The same is true for the read position.
+
+This application works as a in-memory cash storage for keeping session info and generate report for last minute usage.