diff --git a/README.md b/README.md
index 05321e3292dd9959d251a1f407c603e4c431895c..afec08998399222d1722a2a011531b78d1d4a8a7 100644
--- a/README.md
+++ b/README.md
@@ -53,7 +53,12 @@ Two partitions are available (see [documentation for limits](https://apps.fz-jue
 * `booster`: most of the nodes
 * `develbooster`: 10 nodes for development
 
-For the days of the Hackathon we will put reservations in place to accelerate allocation of jobs.
+For the days of the Hackathon, reservations are in place to accelerate scheduling of jobs. Use the following reservations names for the respective days with the `--reservation gpu-hack-2021-dayX` Slurm option:
+
+* Day 1, 15 March: `gpu-hack-2021-day1`
+* Day 2, 22 March: `gpu-hack-2021-day2`
+* Day 3, 23 March: `gpu-hack-2021-day3`
+* Day 4, 24 March: `gpu-hack-2021-day4`
 
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