Index: src/wp-includes/load.php
===================================================================
--- src/wp-includes/load.php	(revision 49615)
+++ src/wp-includes/load.php	(working copy)
@@ -1505,13 +1505,13 @@
 
 	if ( $is_wp_error ) {
 		/**
-		 * Fires when `is_wp_error()` is called and it's an instance of `WP_Error`.
+		 * Fires when `is_wp_error()` is called and its parameter is an instance of `WP_Error`.
 		 *
 		 * @since 5.6.0
 		 *
 		 * @param WP_Error $thing The error object passed to `is_wp_error()`.
 		 */
-		do_action( 'wp_error_checked', $thing );
+		do_action( 'wp_error_seen', $thing );
 	}
 
 	return $is_wp_error;