diff --git a/src/terminal-window.c b/src/terminal-window.c
index 92436bd..4777a06 100644
--- a/src/terminal-window.c
+++ b/src/terminal-window.c
@@ -4116,7 +4116,8 @@ help_about_callback (GtkAction *action,
         "Copyright © 2003–2004, 2007 Mariano Suárez-Alvarez\n"
         "Copyright © 2006 Guilherme de S. Pastore\n"
         "Copyright © 2007–2010 Christian Persch\n"
-        "Copyright © 2011 Perberos";
+        "Copyright © 2011 Perberos\n"
+        "Copyright © 2012-2014 MATE developers";
     char *licence_text;
     GKeyFile *key_file;
     GError *error = NULL;