fixed typo

mdipierro · mdipierro · commit 39c8463f959c · 2019-04-07T09:59:14.000-07:00
diff --git a/pydal/validators.py b/pydal/validators.py
@@ -884,7 +884,7 @@ def __init__(self,
         self.minimum = float(minimum) if minimum is not None else None
         self.maximum = float(maximum) if maximum is not None else None
         self.dot = str(dot)
-        self.error_message = error_mssage
+        self.error_message = error_message
 
     def validate(self, value):
         try:
