diff --git a/COPYING b/COPYING
index 22e9fd3..c627928 100644
--- a/COPYING
+++ b/COPYING
@@ -14,7 +14,7 @@
 |           | Adrienne Magnin and Wendy de Pauli                               |
 | 2005      | Rodolfo Andrade de Oliveira and Vanessa Alexandre Vieira         |
 | 2017      | Catia Guidi and Mateusz Lis                                      |
-| 2019      | punctdan _(@github)_                                             |
+| 2019      | punctdan _(@github)_ and TheShwarma _(@twitter)_                 |
 |           |                                                                  |
 |           | **Missions**                                                     |
 | 1997      | Daniel Roux, Adrien Roux and Denis Dumoulin                      |