@@ -79,7 +79,19 @@ function webp_uploads_add_media_settings_fields(): void {
 	add_settings_section(
 		'perflab_modern_image_format_settings',
 		_x( 'Modern Image Formats', 'settings page section name', 'webp-uploads' ),
-		'__return_empty_string',
+		static function (): void {
+			printf(
+				'<p>%s</p>',
+				wp_kses(
+					sprintf(
+						/* translators: %s: URL to the plugin FAQ on WordPress.org */
+						__( 'If modern format images are not being generated after upload, see the <a href="%s">FAQ</a> for common reasons.', 'webp-uploads' ),
+						'https://wordpress.org/plugins/webp-uploads/#faq'
+					),
+					array( 'a' => array( 'href' => array() ) )
+				)
+			);
+		},
 		'media',
 		array(
 			'before_section' => '<div id="modern-image-formats">',
 
@@ -7,6 +7,21 @@
 
 class Test_WebP_Uploads_Settings extends WP_UnitTestCase {
 
+	/**
+	 * @covers ::webp_uploads_add_media_settings_fields
+	 */
+	public function test_webp_uploads_add_media_settings_fields_section_description(): void {
+		global $wp_settings_sections;
+		webp_uploads_add_media_settings_fields();
+
+		$callback = $wp_settings_sections['media']['perflab_modern_image_format_settings']['callback'];
+		$this->assertIsCallable( $callback );
+
+		$processor = new WP_HTML_Tag_Processor( get_echo( $callback ) );
+		$this->assertTrue( $processor->next_tag( 'A' ) );
+		$this->assertSame( 'https://wordpress.org/plugins/webp-uploads/#faq', $processor->get_attribute( 'href' ) );
+	}
+
 	/**
 	 * @covers ::webp_uploads_add_settings_action_link
 	 */