diff --git a/config/schema/facets.processor.schema.yml b/config/schema/facets.processor.schema.yml
index 9dc67d3..cc02664 100644
--- a/config/schema/facets.processor.schema.yml
+++ b/config/schema/facets.processor.schema.yml
@@ -41,7 +41,9 @@ plugin.plugin_configuration.facets_processor.count_limit:
       type: integer
       label: 'Maximum amount of items to show.'
 
-# There are no settings intended. So probably always an empty array.
+# There are no settings intended for this, this will probably always be an empty
+# array but not having a schema available means the facet config is not correct.
+# This is important because the tests use strict config validation.
 plugin.plugin_configuration.facets_processor.url_processor_handler:
   type: sequence
   label: 'URL processor settings'
diff --git a/src/FacetInterface.php b/src/FacetInterface.php
index 8956d58..02cd6b1 100644
--- a/src/FacetInterface.php
+++ b/src/FacetInterface.php
@@ -183,7 +183,7 @@ interface FacetInterface extends ConfigEntityInterface {
   public function setFacetSourceId($facet_source_id);
 
   /**
-   * Set the query operator.
+   * Sets the query operator.
    *
    * @param string
    *   The query operator being used.