Adam Bramley
--- a/core/modules/block_content/src/Hook/BlockContentHooks.php
+++ b/core/modules/block_content/src/Hook/BlockContentHooks.php
        $field_ui = \Drupal::moduleHandler()->moduleExists('field_ui') ? Url::fromRoute('help.page', ['name' => 'field_ui'])->toString() : '#';
        $output = '';
        $output .= '<h2>' . $this->t('About') . '</h2>';
-        $output .= '<p>' . $this->t('The Block Content module allows you to create and manage custom <em>block types</em> and <em>content-containing blocks</em>. For more information, see the <a href=":online-help">online documentation for the Block Content module</a>.', [':online-help' => 'https://www.drupal.org/documentation/modules/block_content']) . '</p>';
+        $output .= '<p>' . $this->t('The Block Content module manages the creation, editing, and deletion of content blocks. Content blocks are field-able content entities managed by the <a href=":field">Field module</a>. In which theme region a content block is displayed plus the block\'s visibility settings is stored in configuration alongside. For more information, see the <a href=":block-content">online documentation for the Block Content module</a>.', [':block-content' => 'https://www.drupal.org/documentation/modules/block_content', ':field' => Url::fromRoute('help.page', ['name' => 'field'])->toString()]) . '</p>';