diff --git a/src/wp-admin/includes/upgrade.php b/src/wp-admin/includes/upgrade.php
index 5e48437434..82fda9682f 100644
--- a/src/wp-admin/includes/upgrade.php
+++ b/src/wp-admin/includes/upgrade.php
@@ -31,7 +31,7 @@ if ( ! function_exists( 'wp_install' ) ) :
 	 * @param string $blog_title    Site title.
 	 * @param string $user_name     User's username.
 	 * @param string $user_email    User's email.
-	 * @param bool   $public        Whether site is public.
+	 * @param bool   $is_public     Whether the site is public.
 	 * @param string $deprecated    Optional. Not used.
 	 * @param string $user_password Optional. User's chosen password. Default empty (random password).
 	 * @param string $language      Optional. Language chosen. Default empty.
@@ -44,7 +44,7 @@ if ( ! function_exists( 'wp_install' ) ) :
 	 *     @type string $password_message The explanatory message regarding the password.
 	 * }
 	 */
-	function wp_install( $blog_title, $user_name, $user_email, $public, $deprecated = '', $user_password = '', $language = '' ) {
+	function wp_install( $blog_title, $user_name, $user_email, $is_public, $deprecated = '', $user_password = '', $language = '' ) {
 		if ( ! empty( $deprecated ) ) {
 			_deprecated_argument( __FUNCTION__, '2.6.0' );
 		}
@@ -57,7 +57,7 @@ if ( ! function_exists( 'wp_install' ) ) :
 
 		update_option( 'blogname', $blog_title );
 		update_option( 'admin_email', $user_email );
-		update_option( 'blog_public', $public );
+		update_option( 'blog_public', $is_public );
 
 		// Freshness of site - in the future, this could get more specific about actions taken, perhaps.
 		update_option( 'fresh_site', 1 );
@@ -71,7 +71,7 @@ if ( ! function_exists( 'wp_install' ) ) :
 		update_option( 'siteurl', $guessurl );
 
 		// If not a public site, don't ping.
-		if ( ! $public ) {
+		if ( ! $is_public ) {
 			update_option( 'default_pingback_flag', 0 );
 		}