diff --git a/payment_paypal/indico_payment_paypal/util.py b/payment_paypal/indico_payment_paypal/util.py
index a725e17..cb35a3f 100644
--- a/payment_paypal/indico_payment_paypal/util.py
+++ b/payment_paypal/indico_payment_paypal/util.py
@@ -15,7 +15,7 @@ from indico_payment_paypal import _
 
 
 def validate_business(form, field):
-    """Valiates a PayPal business string.
+    """Validates a PayPal business string.
 
     It can either be an email address or a paypal business account ID.
     """