diff --git a/CONTRIBUTORS.rst b/CONTRIBUTORS.rst
index b6cfd3eef7..89ce87c5be 100644
--- a/CONTRIBUTORS.rst
+++ b/CONTRIBUTORS.rst
@@ -201,6 +201,7 @@ Contributors
 * John Heasly
 * Nikolai Røed Kristiansen
 * Alex Zagorodniuk
+* glassresistor
 
 Translators
 ===========
diff --git a/docs/topics/streamfield.rst b/docs/topics/streamfield.rst
index d1df8e0cd9..92b8a398de 100644
--- a/docs/topics/streamfield.rst
+++ b/docs/topics/streamfield.rst
@@ -132,7 +132,7 @@ A single-line text input that validates a string against a regex expression. The
 
 .. code-block:: python
 
-    blocks.RegexBlock(regex=r'^[0-9]{3}$', error_message={
+    blocks.RegexBlock(regex=r'^[0-9]{3}$', error_messages={
         'invalid': "Not a valid library card number."
     })