diff --git a/docs.it4i/general/slurm-job-submission-and-execution.md b/docs.it4i/general/slurm-job-submission-and-execution.md
index 5fd378d6f14fb55173ee30b149567f271ce8c634..e5a31a6c945a17a6e4c4cea68c3bbad1c51c2695 100644
--- a/docs.it4i/general/slurm-job-submission-and-execution.md
+++ b/docs.it4i/general/slurm-job-submission-and-execution.md
@@ -112,7 +112,7 @@ Example output of the job:
      36 cn20.barbora.it4i.cz
 ```
 
-## Job Environment Variables
+### Job Environment Variables
 
 Slurm provides useful information to the job via environment variables. Environment variables are available on all nodes allocated to job when accessed via Slurm supported means (srun, compatible mpirun).
 
@@ -122,7 +122,7 @@ See all Slurm variables
 $ set | grep ^SLURM
 ```
 
-### Useful Variables
+#### Useful Variables
 
 | variable name | description | example |
 | ------ | ------ | ------ |