Docs: Improve documentation for the `update_welcome_user_email()` filter, introduced in [26538].

See #25598. See #35986.
Built from https://develop.svn.wordpress.org/trunk@36827


git-svn-id: http://core.svn.wordpress.org/trunk@36794 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/ms-functions.php

@@ -1539,13 +1539,13 @@ function wpmu_welcome_user_notification( $user_id, $password, $meta = array() )
 	$user = get_userdata( $user_id );
 
 	/**
-	 * Filter the content of the welcome email after user activation.
+	 * Filters the content of the welcome email after user activation.
 	 *
 	 * Content should be formatted for transmission via wp_mail().
 	 *
 	 * @since MU
 	 *
-	 * @param type   $welcome_email The message body of the account activation success email.
+	 * @param string $welcome_email The message body of the account activation success email.
 	 * @param int    $user_id       User ID.
 	 * @param string $password      User password.
 	 * @param array  $meta          Signup meta data.

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.5-beta2-36826';
+$wp_version = '4.5-beta2-36827';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.