Index: emulators/xen-kernel/Makefile
===================================================================
--- emulators/xen-kernel/Makefile
+++ emulators/xen-kernel/Makefile
@@ -53,7 +53,7 @@
 .endif
 
 .if ${OSVERSION} < 1200074
-IGNORE=		only supported on recent FreeBSD HEAD
+IGNORE=		only supported on FreeBSD 12.0 or newer
 .endif
 
 # The ports native 'build' target cannot be used because it sets
Index: sysutils/xen-tools/Makefile
===================================================================
--- sysutils/xen-tools/Makefile
+++ sysutils/xen-tools/Makefile
@@ -69,7 +69,7 @@
 .endif
 
 .if ${OSVERSION} < 1200074
-IGNORE=		only supported on recent FreeBSD HEAD
+IGNORE=		only supported on FreeBSD 12.0 or newer
 .endif
 
 .if ${PORT_OPTIONS:MSPICE} && ${OSVERSION} < 1300008