!! this is documentation for *EXPERIMENTAL* features and is subject to change without notice !!!
 
-We have an experimental new feature that allows some pipelining of jobs by overlaying the execution of a job with the transferring of output from the previous job.
+We have an experimental new feature that allows some pipelining of jobs by overlaying the execution of a job with the transferring of output from the previous job.  This work was detailed in #4291.
 
 Because this feature has been marked, experimental, be advised that it may change significantly in future versions of HTCondor.  This is a quick guide to using it as it was implemented in version 8.1.6.