diff --git a/scripts/sonarqube-scan.sh b/scripts/sonarqube-scan.sh
index 283fb6ff7e..8ab970e12d 100755
--- a/scripts/sonarqube-scan.sh
+++ b/scripts/sonarqube-scan.sh
@@ -1,5 +1,7 @@
 #!/bin/bash
 
+# To run this script you need to have the SONAR_TOKEN environment variable set
+
 # Change working directory to the root of the project
 cd "$(dirname "$0")"/..