diff --git a/admin/authors.el b/admin/authors.el
index 5d57b09c224..a2020f3d32a 100644
--- a/admin/authors.el
+++ b/admin/authors.el
@@ -50,6 +50,7 @@ files.")
     ("Álvar Jesús Ibeas Martín" "Álvar Ibeas")
     ("Andrea Corallo" "AndreaCorallo")
     ("Andrew Csillag" "Drew Csillag")
+    ("Andrew G Cohen" "Andrew Cohen")
     ("Anna M. Bigatti" "Anna Bigatti")
     ("Aurélien Aptel" "Aurelien Aptel")
     ("Barry A. Warsaw" "Barry A. Warsaw, Century Computing, Inc."
@@ -59,6 +60,7 @@ files.")
     ("Bill Mann" "William F. Mann")
     ("Bill Rozas" "Guillermo J. Rozas")
     (nil "binjo.cn@gmail.com")
+    (nil "bug-gnu-emacs@gnu.org")  ; mistake
     ("Björn Torkelsson" "Bjorn Torkelsson")
     ("Brian Fox" "Brian J. Fox")
     ("Brian P Templeton" "BT Templeton")
@@ -143,6 +145,7 @@ files.")
     ("Agustín Martín" "Agustin Martin" "Agustín Martín Domingo")
     ("Martin Lorentzon" "Martin Lorentzson")
     ("Matt Swift" "Matthew Swift")
+    ("Mattias Engdegård" "Mattias Engdegard")
     (nil "^Madhu")
     (nil "mu@magi.net.ru")
     ("Maxime Edouard Robert Froumentin" "Max Froumentin")