diff --git a/plugins/facetapi/adapter.inc b/plugins/facetapi/adapter.inc
index 2bf6bdd..61bb2ce 100644
--- a/plugins/facetapi/adapter.inc
+++ b/plugins/facetapi/adapter.inc
@@ -417,7 +417,7 @@ abstract class FacetapiAdapter {
   /**
    * Returns a facet's active items.
    *
-   * @param array|string $facet
+   * @param array $facet
    *   Either the facet definition as returned by facetapi_facet_load() or the
    *   machine readable name of the facet.
    *