@@ -177,6 +177,11 @@ if len(loc) > 1 {
 				parents = strings.Join(loc[:len(loc)-1], ".")
 			}
 
+			var optionSet string
+			if len(loc) >= 1 {
+				optionSet = loc[0]
+			}
+
 			// log.Debug("sending option", "name", kv.Key)
 			if !yield(nix.Option{
 				Name:            kv.Key,
@@ -188,6 +193,7 @@ Example:         exampleDocs,
 				RelatedPackages: nixdocs.Markdown(relatedPackages),
 				Loc:             loc,
 				Parents:         parents,
+				OptionSet:       optionSet,
 				Type:            optType,
 				ImportedAt:      time.Now(),
 			}) {

@@ -155,6 +155,7 @@ nameNGramMapping,
 	)
 	optionMapping.AddFieldMappingsAt("Source", identityFieldMapping)
 	optionMapping.AddFieldMappingsAt("Loc", locFieldMapping)
+	optionMapping.AddFieldMappingsAt("OptionSet", identityFieldMapping)
 	optionMapping.AddFieldMappingsAt("Parents", locFieldMapping)
 	optionMapping.AddFieldMappingsAt("RelatedPackages", textFieldMapping)
 	optionMapping.AddFieldMappingsAt("Description", descriptionFieldMapping)

@@ -258,7 +258,8 @@ search.AddFacet("Package set", bleve.NewFacetRequest("PackageSet", 10))
 		search.AddFacet("Platform", bleve.NewFacetRequest("Platforms", 10))
 	}
 	if opts.Source.Importer.Includes(config.Options) {
-		search.AddFacet("Option set", bleve.NewFacetRequest("Parents", 10))
+		search.AddFacet("Option set", bleve.NewFacetRequest("OptionSet", 10))
+		search.AddFacet("Parent options", bleve.NewFacetRequest("Parents", 10))
 	}
 
 	if opts.From != 0 {

@@ -25,6 +25,7 @@ Default         *Docs `json:",omitempty"`
 	Description     nixdocs.Markdown
 	Example         *Docs `json:",omitempty"`
 	Loc             []string
+	OptionSet       string
 	Parents         string
 	RelatedPackages nixdocs.Markdown `json:",omitempty"`
 	Type            string