diff --git a/AUTHORS.txt b/AUTHORS.txt
index b8b10a93..b86030e3 100644
--- a/AUTHORS.txt
+++ b/AUTHORS.txt
@@ -1,4 +1,4 @@
-Main Authors
+Main Authors
 ------------
 
 - David Halter (@davidhalter) <davidhalter88@gmail.com>
@@ -62,6 +62,7 @@ Code Contributors
 - Andrii Kolomoiets (@muffinmad)
 - Leo Ryu (@Leo-Ryu)
 - Joseph Birkner (@josephbirkner)
+- Márcio Mazza (@marciomazza)
 
 And a few more "anonymous" contributors.