From bf8845e8b59232389c96ba74acdd11397984221f Mon Sep 17 00:00:00 2001
From: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
Date: Tue, 28 Jan 2020 20:17:13 +0000
Subject: [PATCH] updating DIRECTORY.md

---
 DIRECTORY.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/DIRECTORY.md b/DIRECTORY.md
index 50ae52c55..46a9b06c0 100644
--- a/DIRECTORY.md
+++ b/DIRECTORY.md
@@ -5,6 +5,7 @@
   * [Caesar](https://github.com/TheAlgorithms/Java/blob/master/ciphers/Caesar.java)
   * [ColumnarTranspositionCipher](https://github.com/TheAlgorithms/Java/blob/master/ciphers/ColumnarTranspositionCipher.java)
   * [RSA](https://github.com/TheAlgorithms/Java/blob/master/ciphers/RSA.java)
+  * [SimpleSubstitutionCipher](https://github.com/TheAlgorithms/Java/blob/master/ciphers/SimpleSubstitutionCipher.java)
   * [Vigenere](https://github.com/TheAlgorithms/Java/blob/master/ciphers/Vigenere.java)
 
 ## Conversions