diff --git a/colander/__init__.py b/colander/__init__.py
index c1b7508..1de747d 100644
--- a/colander/__init__.py
+++ b/colander/__init__.py
@@ -1893,7 +1893,7 @@ class _SchemaNode(object):
     @staticmethod
     def schema_type():
         raise NotImplementedError(
-            'Schema node construction without a typ argument or '
+            'Schema node construction without a type argument or '
             'a schema_type() callable present on the node class '
             )