diff --git a/x/model/name.go b/x/model/name.go
index 90485caa..fc56d1a0 100644
--- a/x/model/name.go
+++ b/x/model/name.go
@@ -175,6 +175,8 @@ func (r Name) Model() string     { return r.model }
 func (r Name) Tag() string       { return r.tag }
 func (r Name) Build() string     { return r.build }
 
+// EqualFold reports whether r and o are equivalent model names, ignoring
+// case.
 func (r Name) EqualFold(o Name) bool {
 	return r.MapHash() == o.MapHash()
 }