diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS
index b10fed71db46..01d02bfa0446 100644
--- a/.github/CODEOWNERS
+++ b/.github/CODEOWNERS
@@ -35,7 +35,7 @@
 
 /data_structures/  @cclauss
 
-# /digital_image_processing/
+# /digital_image_processing/ @mateuszz0000
 
 # /divide_and_conquer/
 
@@ -57,7 +57,7 @@
 
 # /hashes/
 
-# /images/
+# /images/ @mateuszz0000
 
 # /linear_algebra/
 
@@ -83,7 +83,7 @@
 
 # /searches/
 
-# /sorts/
+# /sorts/ @mateuszz0000
 
 /strings/  @cclauss
 
diff --git a/DIRECTORY.md b/DIRECTORY.md
index e33d1c32bd86..3cc7c8bfd2c9 100644
--- a/DIRECTORY.md
+++ b/DIRECTORY.md
@@ -63,6 +63,7 @@
   * [Playfair Cipher](https://github.com/TheAlgorithms/Python/blob/master/ciphers/playfair_cipher.py)
   * [Porta Cipher](https://github.com/TheAlgorithms/Python/blob/master/ciphers/porta_cipher.py)
   * [Rabin Miller](https://github.com/TheAlgorithms/Python/blob/master/ciphers/rabin_miller.py)
+  * [Rail Fence Cipher](https://github.com/TheAlgorithms/Python/blob/master/ciphers/rail_fence_cipher.py)
   * [Rot13](https://github.com/TheAlgorithms/Python/blob/master/ciphers/rot13.py)
   * [Rsa Cipher](https://github.com/TheAlgorithms/Python/blob/master/ciphers/rsa_cipher.py)
   * [Rsa Factorization](https://github.com/TheAlgorithms/Python/blob/master/ciphers/rsa_factorization.py)
@@ -768,6 +769,7 @@
   * [Binary Tree Traversals](https://github.com/TheAlgorithms/Python/blob/master/traversals/binary_tree_traversals.py)
 
 ## Web Programming
+  * [Co2 Emission](https://github.com/TheAlgorithms/Python/blob/master/web_programming/co2_emission.py)
   * [Covid Stats Via Xpath](https://github.com/TheAlgorithms/Python/blob/master/web_programming/covid_stats_via_xpath.py)
   * [Crawl Google Results](https://github.com/TheAlgorithms/Python/blob/master/web_programming/crawl_google_results.py)
   * [Current Stock Price](https://github.com/TheAlgorithms/Python/blob/master/web_programming/current_stock_price.py)