diff --git a/support/scripts/cve-check b/support/scripts/cve-check
index 5047523ade..0d0ad833a2 100755
--- a/support/scripts/cve-check
+++ b/support/scripts/cve-check
@@ -29,6 +29,9 @@ database.
 
 The NVD database is cloned using a mirror of it and the content is compared
 locally.
+
+Always run this script from the output of 'generate-cyclonedx'. Do not re-run
+this script over an already analysed SBOM.
 """