diff --git a/src/Plugin/Field/FieldType/DynamicEntityReferenceItem.php b/src/Plugin/Field/FieldType/DynamicEntityReferenceItem.php
index d1bd8d7..d78f240 100644
--- a/src/Plugin/Field/FieldType/DynamicEntityReferenceItem.php
+++ b/src/Plugin/Field/FieldType/DynamicEntityReferenceItem.php
@@ -215,7 +215,7 @@ class DynamicEntityReferenceItem extends EntityReferenceItem {
     $entity_type_ids = $form_state->getValue(['settings', 'entity_type_ids'], []);
     $diff = array_diff(array_keys($labels[(string) t('Content', [], ['context' => 'Entity type group'])]), $entity_type_ids);
     if ((!$exclude_entity_types && empty($entity_type_ids)) || ($exclude_entity_types && empty($diff))) {
-      $form_state->setError($element, t('At lest select one entity type ID.'));
+      $form_state->setError($element, t('Select at least one entity type ID.'));
     }
   }
 
diff --git a/tests/src/Functional/DynamicEntityReferenceTest.php b/tests/src/Functional/DynamicEntityReferenceTest.php
index c66633e..6d23073 100644
--- a/tests/src/Functional/DynamicEntityReferenceTest.php
+++ b/tests/src/Functional/DynamicEntityReferenceTest.php
@@ -134,13 +134,13 @@ class DynamicEntityReferenceTest extends BrowserTestBase {
       'settings[exclude_entity_types]' => FALSE,
       'settings[entity_type_ids][]' => [],
     ], t('Save field settings'));
-    $assert_session->pageTextContains('At lest select one entity type ID.');
+    $assert_session->pageTextContains('Select at least one entity type ID.');
     $this->submitForm([
       'cardinality' => FieldStorageDefinitionInterface::CARDINALITY_UNLIMITED,
       'settings[exclude_entity_types]' => TRUE,
       'settings[entity_type_ids][]' => array_keys($labels[(string) t('Content', [], ['context' => 'Entity type group'])]),
     ], t('Save field settings'));
-    $assert_session->pageTextContains('At lest select one entity type ID.');
+    $assert_session->pageTextContains('Select at least one entity type ID.');
     $this->submitForm([
       'cardinality' => FieldStorageDefinitionInterface::CARDINALITY_UNLIMITED,
       'settings[exclude_entity_types]' => FALSE,