diff --git a/wp-includes/user.php b/wp-includes/user.php
index 3fa6db69f..61ee41cad 100644
--- a/wp-includes/user.php
+++ b/wp-includes/user.php
@@ -275,7 +275,7 @@ function update_user_option( $user_id, $option_name, $newvalue, $global = false
 	if ( !$global )
 		$option_name = $wpdb->prefix . $option_name;
 
-	// For backward compatibility.  See differences between update_user_meta() and deprecated update_user_meta().
+	// For backward compatibility. See differences between update_user_meta() and deprecated update_usermeta().
 	// http://core.trac.wordpress.org/ticket/13088
 	if ( is_null( $newvalue ) || is_scalar( $newvalue ) && empty( $newvalue ) )
 		return delete_user_meta( $user_id, $option_name );