loxi-prep: rename error 'type' field to 'err_type'
diff --git a/src/python/of10/message.py b/src/python/of10/message.py
index 76d7d30..41b6a83 100644
--- a/src/python/of10/message.py
+++ b/src/python/of10/message.py
@@ -538,7 +538,7 @@
     @arg type: The message type (OFPT_ERROR=1)
 
     Data members inherited from ofp_error_msg:
-    @arg type
+    @arg err_type
     @arg code
     @arg data: Binary string following message members