diff --git a/science/hypre/Makefile b/science/hypre/Makefile
index de09efd1086f..ce05ff4ce36b 100644
--- a/science/hypre/Makefile
+++ b/science/hypre/Makefile
@@ -1,47 +1,47 @@
 PORTNAME=	hypre
 DISTVERSIONPREFIX=	v
 DISTVERSION=	2.25.0
 CATEGORIES=	science
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Scalable Linear Solvers and Multigrid Methods
 
 LICENSE=	APACHE20 MIT
 LICENSE_COMB=	dual
 LICENSE_FILE_APACHE20=	${WRKSRC}/../LICENSE-APACHE
 LICENSE_FILE_MIT=	${WRKSRC}/../LICENSE-MIT
 
 USES=		blaslapack cmake:testing fortran localbase
 USE_LDCONFIG=	yes
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	hypre-space
 
 WRKSRC_SUBDIR=	src
 
 CMAKE_ON=	HYPRE_ENABLE_SHARED HYPRE_WITH_OPENMP
 CMAKE_TESTING_ON=	HYPRE_BUILD_TESTS # tests are only built and not run, see https://github.com/hypre-space/hypre/issues/502
 
 OPTIONS_DEFINE=		DOCS
 OPTIONS_SINGLE=		MPI
 OPTIONS_SINGLE_MPI=	NOMPI MPICH OPENMPI
 OPTIONS_DEFAULT=	MPICH
 
 NOMPI_DESC=		Build without parallel processing support
 NOMPI_CMAKE_ON=		-DHYPRE_WITH_MPI=OFF
 
 MPICH_LIB_DEPENDS=	libmpich.so:net/mpich
 MPICH_CONFIGURE_ENV=	CC=${LOCALBASE}/bin/mpicc CXX=${LOCALBASE}/bin/mpicxx
 
 OPENMPI_LIB_DEPENDS=	libmpi.so:net/openmpi
 OPENMPI_CONFIGURE_ENV=	CC=${LOCALBASE}/mpi/openmpi/bin/mpicc \
 			CXX=${LOCALBASE}/mpi/openmpi/bin/mpicxx
-OPENMPI_BROKEN=		doesn't switch to openmpi in cmake build
+OPENMPI_BROKEN=		doesn't switch to openmpi in cmake build, see https://github.com/hypre-space/hypre/issues/720
 
 PORTDOCS=	*
 
 post-install-DOCS-on:
 	${MKDIR} ${STAGEDIR}${DOCSDIR}
 	cd ${WRKSRC}/docs && ${COPYTREE_SHARE} usr-manual ${STAGEDIR}${DOCSDIR}
 
 .include <bsd.port.mk>