diff --git a/examples/CI-Eng-Sample/README.md b/examples/CI-Eng-Sample/README.md
index 11eeba1..25d6451 100644
--- a/examples/CI-Eng-Sample/README.md
+++ b/examples/CI-Eng-Sample/README.md
@@ -50,7 +50,8 @@ Copy the whole sample folder to a temporary folder on the server, run from there
 it afterwards. Also delete `%TLS_LOG_PATH%\OPXCIENG.log`. The OPC UA certificate exchange and
 its undo are user steps (see below); the client's own certificate `<host>_OPXCIENG.der/.pem`
 and the trusted copies stay in the `pki` folders (and in `OPCUAC_PKI_CERTIFICATES_DF`, which
-follows the files) until they are deleted; the server-side `pkiserver
ejected` folder is created by the test.
+follows the files) until they are deleted; the server-side `pkiserver
ejected` folder is also
+created by the test; delete it when it is empty.
 
 ## Current contents