diff --git a/docs/class-reference.md b/docs/class-reference.md
index 9c7a9f6d4..222eea17c 100644
--- a/docs/class-reference.md
+++ b/docs/class-reference.md
@@ -2225,7 +2225,7 @@ function parseRequestParams(string $method, array $bodyParams, array $queryParam
  * Checks validity of OperationParams extracted from HTTP request and returns an array of errors
  * if params are invalid (or empty array when params are valid).
  *
- * @return array<int, RequestError>
+ * @return list<RequestError>
  *
  * @api
  */
diff --git a/src/Server/Helper.php b/src/Server/Helper.php
index 915726d0b..f0c9f62a3 100644
--- a/src/Server/Helper.php
+++ b/src/Server/Helper.php
@@ -140,7 +140,7 @@ public function parseRequestParams(string $method, array $bodyParams, array $que
      * Checks validity of OperationParams extracted from HTTP request and returns an array of errors
      * if params are invalid (or empty array when params are valid).
      *
-     * @return array<int, RequestError>
+     * @return list<RequestError>
      *
      * @api
      */