diff --git a/render/process.go b/render/process.go
index f1ca648e2..3d84792fa 100644
--- a/render/process.go
+++ b/render/process.go
@@ -103,7 +103,7 @@ func (e endpoints2Processes) Render(rpt report.Report) Nodes {
 				continue
 			}
 
-			hostID, _, _ := report.ParseNodeID(hostNodeID)
+			hostID, _ := report.ParseHostNodeID(hostNodeID)
 			id := report.MakeProcessNodeID(hostID, pid)
 			ret.addChild(n, id, func(id string) report.Node {
 				// we have a pid, but no matching process node;
diff --git a/report/id.go b/report/id.go
index f0d3dec9b..9727b1341 100644
--- a/report/id.go
+++ b/report/id.go
@@ -197,7 +197,7 @@ func ParseOverlayNodeID(id string) (overlayPrefix string, peerName string) {
 	return WeaveOverlayPeerPrefix, id
 }
 
-// Split a string s into to parts separated by sep.
+// Split a string s into two parts separated by sep.
 func split2(s, sep string) (s1, s2 string, ok bool) {
 	// Not using strings.SplitN() to avoid a heap allocation
 	pos := strings.Index(s, sep)
@@ -207,9 +207,8 @@ func split2(s, sep string) (s1, s2 string, ok bool) {
 	return s[:pos], s[pos+1:], true
 }
 
-// ParseNodeID produces the host ID and remainder (typically an address) from
-// a node ID. Note that hostID may be blank.
-func ParseNodeID(nodeID string) (hostID string, remainder string, ok bool) {
+// ParseNodeID produces the id and tag of a single-component node ID.
+func ParseNodeID(nodeID string) (id string, tag string, ok bool) {
 	return split2(nodeID, ScopeDelim)
 }
 
@@ -250,7 +249,7 @@ func ParseECSServiceNodeID(ecsServiceNodeID string) (cluster, serviceName string
 // ExtractHostID extracts the host id from Node
 func ExtractHostID(m Node) string {
 	hostNodeID, _ := m.Latest.Lookup(HostNodeID)
-	hostID, _, _ := ParseNodeID(hostNodeID)
+	hostID, _ := ParseHostNodeID(hostNodeID)
 	return hostID
 }