diff --git a/lib/PhpParser/Node/Identifier.php b/lib/PhpParser/Node/Identifier.php
index 01eebe5ca4..21473fad18 100644
--- a/lib/PhpParser/Node/Identifier.php
+++ b/lib/PhpParser/Node/Identifier.php
@@ -53,7 +53,7 @@ public function toString(): string {
     /**
      * Get lowercased identifier as string.
      *
-     * @psalm-return non-empty-string
+     * @psalm-return non-empty-string&lowercase-string
      * @return string Lowercased identifier as string
      */
     public function toLowerString(): string {
diff --git a/lib/PhpParser/Node/Name.php b/lib/PhpParser/Node/Name.php
index aa2b90eb22..932080b544 100644
--- a/lib/PhpParser/Node/Name.php
+++ b/lib/PhpParser/Node/Name.php
@@ -129,7 +129,7 @@ public function toCodeString(): string {
      * Returns lowercased string representation of the name, without taking the name type into
      * account (e.g., no leading backslash for fully qualified names).
      *
-     * @psalm-return non-empty-string
+     * @psalm-return non-empty-string&lowercase-string
      * @return string Lowercased string representation
      */
     public function toLowerString(): string {