diff --git a/src/Twig/Component/Badge.php b/src/Twig/Component/Badge.php
index 18fc05d..cc9e899 100644
--- a/src/Twig/Component/Badge.php
+++ b/src/Twig/Component/Badge.php
@@ -54,7 +54,7 @@ final class Badge
         $this->label = $label;
 
         if (!$obj && !$colour) {
-            throw new \RuntimeException(sprintf('You must specify either a colour an instance of "%s".', BadgeableInterface::class));
+            throw new \RuntimeException(sprintf('You must specify either a colour or an instance of "%s".', BadgeableInterface::class));
         }
 
         if ($obj && $colour) {