diff --git a/wp-includes/class-wp-network.php b/wp-includes/class-wp-network.php
index 0a8d12696d..5ab29c2c58 100644
--- a/wp-includes/class-wp-network.php
+++ b/wp-includes/class-wp-network.php
@@ -27,7 +27,9 @@ class WP_Network {
 	 * Network ID.
 	 *
 	 * @since 4.4.0
-	 * @since 4.6.0 Type changed from string to int.
+	 * @since 4.6.0 Converted from public to private to explicitly enable more intuitive
+	 *              access via magic methods. As part of the access change, the type was
+	 *              also changed from `string` to `int`.
 	 * @access private
 	 * @var int
 	 */
diff --git a/wp-includes/version.php b/wp-includes/version.php
index e8232e19f7..a4876342e2 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.6-alpha-37918';
+$wp_version = '4.6-alpha-37919';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.