diff --git a/net-dns/nsd/metadata.xml b/net-dns/nsd/metadata.xml
index b674d51d0880c..1afdcd842cc09 100644
--- a/net-dns/nsd/metadata.xml
+++ b/net-dns/nsd/metadata.xml
@@ -12,12 +12,13 @@
 		<flag name="ipv6">Enable IPv6 support</flag>
 		<flag name="largefile">Enables support for large files</flag>
 		<flag name="libevent">Use libevent or libev, useful when zone count is high</flag>
+		<flag name="mmap">Use mmap(2) instead of malloc(3); currently experimental</flag>
 		<flag name="memclean">Cleanup memory (at exit) for eg. valgrind, memcheck</flag>
 		<flag name="minimal-responses">If minimal responses are disabled, responses are more likely to get truncated, resulting in TCP fallback</flag>
 		<flag name="munin">Install a plugin for <pkg>net-analyzer/munin</pkg> to graph statistical data from nsd</flag>
 		<flag name="nsec3">Enable NSEC3 support</flag>
 		<flag name="packed">Enable packed structure alignment; uses less memory but has unaligned reads</flag>
-		<flag name="radix-tree">Use a red-black tree for main lookups; uses less memory at the expense of more CPU</flag>
+		<flag name="radix-tree">Use a radix tree for main lookups instead of a red-black tree</flag>
 		<flag name="ratelimit">Enables ratelimiting, based on query name, type and source</flag>
 		<flag name="recvmmsg">Enable recvmmsg and sendmmsg compilation, faster but some kernel versions may have implementation problems for IPv6</flag>
 		<flag name="root-server">Configure NSD as a root server (OBSOLETE: removed in >=4.9.x)</flag>
diff --git a/net-dns/nsd/nsd-4.9.1.ebuild b/net-dns/nsd/nsd-4.9.1.ebuild
index eb62a90576fc8..53cbc4f1d5f1c 100644
--- a/net-dns/nsd/nsd-4.9.1.ebuild
+++ b/net-dns/nsd/nsd-4.9.1.ebuild
@@ -122,7 +122,7 @@ src_install() {
 		exeinto "/usr/libexec/munin/plugins"
 		doexe contrib/nsd_munin_
 		insinto "/etc/munin/plugin-conf.d"
-		newins "${FILESDIR}/nsd.munin-conf nsd_munin"
+		newins "${FILESDIR}/nsd.munin-conf" nsd_munin
 	fi
 
 	# Use the upstream-provided systemd service file.