Resource reservation

docs.it4i/general/resource-accounting.md

@@ -10,8 +10,8 @@ Starting with the 24<sup>th</sup> open access grant competition, the accounting
 1. [Karolina GPU][8a]
 1. [Karolina FAT][9a]
 
-The accounting runs whenever the nodes are allocated via the PBS Pro workload manager (the qsub command), regardless of whether
-the nodes are actually used for any calculation.
+The accounting runs whenever the nodes are allocated via the PBS Pro workload manager (the `qsub` command), regardless of whether
+the nodes are actually used for any calculation. The same rule applies for unspent [reservations][10a].
 
 ## Conversion Table
 
@@ -97,5 +97,6 @@ The `it4ifree` command is a part of the `it4i.portal.clients` package, located [
 [7a]: ../../karolina/compute-nodes/#compute-nodes-without-accelerators
 [8a]: ../../karolina/compute-nodes/#compute-nodes-with-a-gpu-accelerator
 [9a]: ../../karolina/compute-nodes/#data-analytics-compute-node
+[10a]: resource_allocation_and_job_execution/#Resource-Reservation
 
 [pypi]: https://pypi.python.org/pypi/it4i.portal.clients