add missing param EP for @AllExtendedProperties

Author: lowlydba

sp_doc.sql

@@ -2129,3 +2129,5 @@ GO
 EXEC sys.sp_addextendedproperty @name=N'@Verbose', @value=N'Whether or not to print additional information during the script run. Default is 0.' , @level0type=N'SCHEMA',@level0name=N'dbo', @level1type=N'PROCEDURE',@level1name=N'sp_doc';
 GO
 
+EXEC sys.sp_addextendedproperty @name=N'@AllExtendedProperties', @value=N'Include all extended properties for each object, not just @ExtendedPropertyName.' , @level0type=N'SCHEMA',@level0name=N'dbo', @level1type=N'PROCEDURE',@level1name=N'sp_doc';
+GO