SQL Server Alert - Description (None) For every system Alert defined to send an email, we receive a 2 alerts with the following bodies. How do I stop the message with the empty (None) description?

Empty Alert

SQL Server Alert System: 'Severity 010' occurred on \my-server


  DATE/TIME:    1/30/2013 10:22:59 AM
  
  DESCRIPTION:  (None)
  
  COMMENT:  (None)
  
  JOB RUN:  (None)


Valid Alert

SQL Server Alert System: 'Severity 010' occurred on \my-server


  DATE/TIME:    1/30/2013 10:22:59 AM
  
  DESCRIPTION:  Log was backed up. Database: [mydatabase], creation date(time): 2011/10/03(17:20:11), first LSN: 859915:34267:1, last LSN: 859915:192686:1, number of dump devices: 1, device information: (FILE=1, TYPE=DISK: {'\\my-backup-server.domain.local\sqldump\my-server\mydatabase\LOG\my-server_mydatabase_LOG_20130130_114000.trn'}). This is an informational message only. No user action is required.
  
  COMMENT:  (None)
  
  JOB RUN:  (None)


Here is our definition for the "Severity 10" Alert.

EXECUTE msdb..sp_add_alert @name = N'Severity 010'
  , @message_id = 0
  , @severity = 10
  , @enabled = 1
  , @delay_between_responses = 60
  , @notification_message = NULL
  , @include_event_description_in = 1
  , @database_name = N''
  , @event_description_keyword = N''
  , @job_name = NULL
  , @performance_condition = NULL
  , @wmi_namespace = N''
  , @wmi_query = N''
GO
EXECUTE msdb..sp_add_notification N'Severity 010', N'Project Support', 7
GO
By recompiling/committing the Alert, the double emails have stopped. It must have been a bad commit initially.