diff --git a/docs/user/quickstart.rst b/docs/user/quickstart.rst
index 8ec9030c..7264fd56 100644
--- a/docs/user/quickstart.rst
+++ b/docs/user/quickstart.rst
@@ -131,7 +131,8 @@ There's also a builtin JSON decoder, in case you're dealing with JSON data::
     >>> r.json()
     [{u'repository': {u'open_issues': 0, u'url': 'https://github.com/...
 
-In case the JSON decoding fails, ``r.json`` raises an exception.
+In case the JSON decoding fails, ``r.json`` raises an exception: `ValueError:
+No JSON object could be decoded`
 
 
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