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-rw-r--r--src/Form/JsonapiResourceConfigForm.php2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/Form/JsonapiResourceConfigForm.php b/src/Form/JsonapiResourceConfigForm.php
index c58b181..b6c2694 100644
--- a/src/Form/JsonapiResourceConfigForm.php
+++ b/src/Form/JsonapiResourceConfigForm.php
@@ -306,7 +306,7 @@ class JsonapiResourceConfigForm extends EntityForm {
'#open' => TRUE,
];
- $markup .= '';
+ $markup = '';
$markup .= '<dl>';
$markup .= '<dt>' . t('Disabled') . '</dt>';
$markup .= '<dd>' . t('Check this if you want to disable this field completely. Disabling required fields will cause problems when writing to the resource.') . '</dd>';