diff --git a/wp-includes/class-wp-recovery-mode-email-service.php b/wp-includes/class-wp-recovery-mode-email-service.php
index 154c134ad1..05103b64b9 100644
--- a/wp-includes/class-wp-recovery-mode-email-service.php
+++ b/wp-includes/class-wp-recovery-mode-email-service.php
@@ -206,6 +206,7 @@ When seeking help with this issue, you may be asked for some of the following in
 		 * Filters the contents of the Recovery Mode email.
 		 *
 		 * @since 5.2.0
+		 * @since 5.6.0 The `$email` argument includes the `attachments` key.
 		 *
 		 * @param array  $email {
 		 *     Used to build a call to wp_mail().
diff --git a/wp-includes/version.php b/wp-includes/version.php
index be8bf96562..894a54c134 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.6-alpha-48993';
+$wp_version = '5.6-alpha-48994';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.