diff --git a/science/octopus/Makefile b/science/octopus/Makefile
index cd8c418b00a5..adb62132296b 100644
--- a/science/octopus/Makefile
+++ b/science/octopus/Makefile
@@ -1,6 +1,6 @@
 PORTNAME=	octopus
 DISTVERSION=	11.4
-CATEGORIES=	science
+CATEGORIES=	science # chemistry
 MASTER_SITES=	https://octopus-code.org/download/${DISTVERSION}/
 
 MAINTAINER=	yuri@FreeBSD.org
@@ -8,7 +8,7 @@ COMMENT=	Scientific program aimed at the ab initio virtual experimentation
 
 LICENSE=	GPLv2
 
-BROKEN_aarch64=	undefined reference to `__aarch64_cas8_acq_rel' #'
+BROKEN_aarch64=	undefined reference to `__aarch64_cas8_acq_rel' #'`
 
 BUILD_DEPENDS=	bash:shells/bash
 LIB_DEPENDS=	libarpack.so:math/arpack-ng \