diff --git a/src/JsonSchema/Validator.php b/src/JsonSchema/Validator.php
index e2a919bc..114b84f1 100644
--- a/src/JsonSchema/Validator.php
+++ b/src/JsonSchema/Validator.php
@@ -30,7 +30,7 @@ class Validator extends BaseConstraint
      * Both the php object and the schema are supposed to be a result of a json_decode call.
      * The validation works as defined by the schema proposal in http://json-schema.org.
      *
-     * Note that the first argument is passwd by reference, so you must pass in a variable.
+     * Note that the first argument is passed by reference, so you must pass in a variable.
      *
      * {@inheritdoc}
      */