diff --git a/CHANGES.txt b/CHANGES.txt
index 5e1c7103..4b251ef5 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -4,7 +4,8 @@ Change History
 1.8.4 (unreleased)
 ------------------
 
-- Nothing changed yet.
+- change captcha verification message for #186
+  [tkimnguyen]
 
 
 1.8.3 (2016-12-06)
diff --git a/Products/PloneFormGen/validators/CaptchaValidator.py b/Products/PloneFormGen/validators/CaptchaValidator.py
index 64813a2b..f6e2f94a 100644
--- a/Products/PloneFormGen/validators/CaptchaValidator.py
+++ b/Products/PloneFormGen/validators/CaptchaValidator.py
@@ -24,7 +24,7 @@ def __call__(self, value, *args, **kwargs):
         request = kwargs.get('REQUEST')
         captcha = getMultiAdapter((context, request), name='captcha')
         if not captcha.verify(value):
-            return ("Verification failed: Please type the characters you see below.")
+            return ("Verification failed: Please respond to the captcha below.")
         return 1
 
 validation.register(CaptchaValidator('isCorrectCaptcha'))