diff --git a/docs/Users_Guide/config_options.rst b/docs/Users_Guide/config_options.rst
index 48be5c556a..a9dda6cbc0 100644
--- a/docs/Users_Guide/config_options.rst
+++ b/docs/Users_Guide/config_options.rst
@@ -560,7 +560,7 @@ used.
 
 .. code-block:: none
 		
-  mesage_type_group_map = [
+  message_type_group_map = [
      { key = "SURFACE"; val = "ADPSFC,SFCSHP,MSONET";               },
      { key = "ANYAIR";  val = "AIRCAR,AIRCFT";                      },
      { key = "ANYSFC";  val = "ADPSFC,SFCSHP,ADPUPA,PROFLR,MSONET"; },