diff --git a/restmapper/category_expansion.go b/restmapper/category_expansion.go
index 1620bbcf..2537a2b4 100644
--- a/restmapper/category_expansion.go
+++ b/restmapper/category_expansion.go
@@ -21,7 +21,7 @@ import (
 	"k8s.io/client-go/discovery"
 )
 
-// CategoryExpander maps category strings to GroupResouces.
+// CategoryExpander maps category strings to GroupResources.
 // Categories are classification or 'tag' of a group of resources.
 type CategoryExpander interface {
 	Expand(category string) ([]schema.GroupResource, bool)