diff --git a/plone/app/discussion/browser/validator.py b/plone/app/discussion/browser/validator.py
index 6253546..b120f5b 100644
--- a/plone/app/discussion/browser/validator.py
+++ b/plone/app/discussion/browser/validator.py
@@ -58,4 +58,4 @@ class CaptchaValidator(validator.SimpleFieldValidator):
 # Register Captcha validator for the Captcha field in the ICaptcha Form
 validator.WidgetValidatorDiscriminators(CaptchaValidator, 
                                         field=ICaptcha['captcha'])
-            
\ No newline at end of file
+