diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index cff473184e796ccc0b4d4112f6cea3c13a85a174..b79fdfdb1f0a146110e40750baa14e8a5240f666 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -10,6 +10,9 @@ cache:
 
 #### Test ####
 #now done with pre-commit hook
+#CI is difficult (PostgreSQL server has to be setup
+#(including PostGIS and toar_controlled_vocabulary),
+#database users and passwords have to be created)
 #activated via "git commit" (without arguments!)
 #test:
 #  stage: test