diff --git a/composer.json b/composer.json
index 6edb1ad..f4adcd3 100644
--- a/composer.json
+++ b/composer.json
@@ -12,7 +12,7 @@
     "SMTP",
     "phpMailer",
     "SPF",
-    "DMARC".
+    "DMARC",
     "testing"
   ],
   "authors": [