diff --git a/test/ci-bootstrap.py b/test/ci-bootstrap.py
index 5dc5d5838021c2e9a763447934d0723c748320ef..c63b765c0ea03ddcf0b9ac5e4c6ac00bb28ce4ba 100755
--- a/test/ci-bootstrap.py
+++ b/test/ci-bootstrap.py
@@ -61,7 +61,7 @@ if __name__ == "__main__":
     if args.create_droplet:
         # Create droplet
 
-        # image: 7 = Ubuntu xenial 16.04 x64
+        # image: 18 = Ubuntu xenial 18.04 x64
         # ssh_keys
         # - 411: ci, ed25519
         # - 407: varac