diff --git a/README.txt b/README.txt
index f27bdbd..89a25df 100644
--- a/README.txt
+++ b/README.txt
@@ -30,14 +30,12 @@ After adding one of those, you can add a facet on the facets configuration page:
 If you're using Search API views, make sure to disable views cache when using
 facets for that view.
 
-
 FAQ
 ---
 
 Q: Why do the facets disappear after a refresh.
 A: We don't support cached views, change the view to disable caching.
 
-
 FEATURES
 --------
 
diff --git a/facets.install b/facets.install
index a1b0372..046b8ae 100644
--- a/facets.install
+++ b/facets.install
@@ -2,7 +2,7 @@
 
 /**
  * @file
- * Updates.
+ * Update hooks for the facets module.
  */
 
 use Drupal\facets\Entity\Facet;
diff --git a/src/Form/FacetForm.php b/src/Form/FacetForm.php
index cb0f26a..f638059 100644
--- a/src/Form/FacetForm.php
+++ b/src/Form/FacetForm.php
@@ -373,7 +373,7 @@ class FacetForm extends EntityForm {
       '#options' => [0 => $this->t('No limit')] + array_combine($hard_limit_options, $hard_limit_options),
       '#description' => $this->t('Display no more than this number of facet items.'),
     ];
-    if (strpos($facet->getFacetSourceId(), 'views_') === FALSE) {
+    if (strpos($facet->getFacetSourceId(), 'search_api') === FALSE) {
       $form['facet_settings']['hard_limit']['#disabled'] = TRUE;
       $form['facet_settings']['hard_limit']['#description'] .= '<br />';
       $form['facet_settings']['hard_limit']['#description'] .= $this->t('This setting only works with Search API based facets.');
@@ -391,7 +391,7 @@ class FacetForm extends EntityForm {
       '#title' => $this->t('Use hierarchy'),
       '#default_value' => $facet->getUseHierarchy(),
     ];
-    if (strpos($facet->getFacetSourceId(), 'views_') === FALSE) {
+    if (strpos($facet->getFacetSourceId(), 'search_api') === FALSE) {
       $form['facet_settings']['use_hierarchy']['#disabled'] = TRUE;
       $form['facet_settings']['use_hierarchy']['#description'] = $this->t('This setting only works with Search API based facets.');
     }
@@ -439,7 +439,7 @@ class FacetForm extends EntityForm {
       '#maxlength' => 4,
       '#required' => TRUE,
     ];
-    if (strpos($facet->getFacetSourceId(), 'views_') === FALSE) {
+    if (strpos($facet->getFacetSourceId(), 'search_api') === FALSE) {
       $form['facet_settings']['min_count']['#disabled'] = TRUE;
       $form['facet_settings']['min_count']['#description'] .= '<br />';
       $form['facet_settings']['min_count']['#description'] .= $this->t('This setting only works with Search API based facets.');