Update parallelism.Rmd

vignettes/parallelism.Rmd

@@ -324,7 +324,7 @@ To tell the `Makefile` to use `shell.sh`, you will need to add the line `SHELL=.
 make(my_plan, parallelism = "Makefile", jobs = 2, prepend = "SHELL=./shell.sh")
 ```
 
-[SLURM](https://slurm.schedmd.com/) users may be able to [invoke `srun` and dispense with `shell.sh` altogether](http://plindenbaum.blogspot.com/2014/09/parallelizing-gnu-make-4-in-slurm.html), though success may vary depending on the SLURM system. You will probably also need to set SLURM configuration parameters like the wall time and queue.
+[SLURM](https://slurm.schedmd.com/) users may be able to [invoke `srun` and dispense with `shell.sh` altogether](http://plindenbaum.blogspot.com/2014/09/parallelizing-gnu-make-4-in-slurm.html), though success may vary depending on the SLURM system. You will probably also need to set resource allocation parameters such as upper bounds on memory and runtime. See `man srun` for the possible `.SHELLFLAGS`.
 
 ```{r cluster, eval = FALSE}
 make(