diff --git a/wp-includes/class-wp-error.php b/wp-includes/class-wp-error.php
index adbfb21c2c..3de8ae7dae 100644
--- a/wp-includes/class-wp-error.php
+++ b/wp-includes/class-wp-error.php
@@ -164,7 +164,7 @@ class WP_Error {
 	/**
 	 * Verify if the instance contains errors.
 	 *
-	 * @since 5.0.0
+	 * @since 5.1.0
 	 *
 	 * @return bool
 	 */
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 6363b34a62..d66a5b3712 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.1-alpha-44526';
+$wp_version = '5.1-alpha-44527';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.