diff --git a/src/Keywords/ConstKeyword.php b/src/Keywords/ConstKeyword.php
index 1bdb68d..3dde51e 100644
--- a/src/Keywords/ConstKeyword.php
+++ b/src/Keywords/ConstKeyword.php
@@ -44,8 +44,8 @@ public function validate(ValidationContext $context, Schema $schema): ?Validatio
             return null;
         }
 
-        return $this->error($schema, $context, 'const', 'The data must must match the const value', [
+        return $this->error($schema, $context, 'const', 'The data must match the const value', [
             'const' => $this->const
         ]);
     }
-}
\ No newline at end of file
+}