diff --git a/sci-mathematics/glucas/glucas-2.9.0.recipe b/sci-mathematics/glucas/glucas-2.9.0.recipe
index bd6dd8a59..fffddd190 100644
--- a/sci-mathematics/glucas/glucas-2.9.0.recipe
+++ b/sci-mathematics/glucas/glucas-2.9.0.recipe
@@ -2,9 +2,10 @@ SUMMARY="A client to make primality test for Mersenne numbers"
 DESCRIPTION="Glucas is related to GIMPS effort to search the biggest primes \
 ever found."
 HOMEPAGE="https://sourceforge.net/projects/glucas/"
-COPYRIGHT="2001-2002 gbvalor"
+COPYRIGHT="2000-2002 Guillermo Ballester Valor
+	2000-2002 Klaus Kastens"
 LICENSE="GNU GPL v2"
-REVISION="1"
+REVISION="2"
 SOURCE_URI="https://downloads.sourceforge.net/glucas/Glucas-$portVersion.tar.gz"
 CHECKSUM_SHA256="fde422220245788c0d8aeaec6a89f26e849905b1417c5e6ff1a01f56c595cadc"
 PATCHES="glucas-$portVersion.patchset"