Issue #3376613 by gidel: Description of the Section ID field does not...

Issue #3376613 by gidel: Description of the Section ID field does not correspond to the generated ID

src/EventSubscriber/LayoutBuilderIdsConfigureSection.php

@@ -67,7 +67,7 @@ class LayoutBuilderIdsConfigureSection implements EventSubscriberInterface {
         '#title' => 'Section ID',
         '#weight' => 99,
         '#default_value' => $config['layout_builder_id'] ?? NULL,
-        '#description' => t('Section ID is an optional setting which is used to support an anchor link to this block. For example, entering "feature" lets you link directly to this section by adding "#feature" to the end of the URL.</br>IDs should start with a letter, may only contain letters, numbers, underscores, hyphens, and periods, and should be unique on the page.'),
+        '#description' => t('Section ID is an optional setting which is used to support an anchor link to this block. For example, entering "feature" lets you link directly to this section by adding "#feature" to the end of the URL.</br>IDs should start with a letter, may only contain letters, numbers, hyphens, and should be unique on the page (underscores will be replaced by hyphens, and periods will be removed from the rendered ID).'),
       ];
 
       // Add the form validation for configure block.