diff --git a/src/wp-includes/class-wp-block-parser.php b/src/wp-includes/class-wp-block-parser.php
index fdf86d1e2c565..aad1640a40137 100644
--- a/src/wp-includes/class-wp-block-parser.php
+++ b/src/wp-includes/class-wp-block-parser.php
@@ -150,7 +150,7 @@ public function offsetSet( $offset, $value ) { // phpcs:ignore WordPress.NamingC
 				break;
 
 			default:
-				throw new Exception('Does any code modify these?' );
+				throw new Exception( 'Does any code modify these?' );
 		}
 	}