README: remove left over certificate file

But use find as RouterOS 7.15rc1 removes it automatically.

1 files changed, 2 insertions, 1 deletions

diff --git a/README.md b/README.md
index 4516736..a92f71d 100644
--- a/README.md
+++ b/README.md
@@ -91,11 +91,12 @@ a sensitive property, the passphrase.
 
 For basic verification we rename the certificates and print them by
 fingerprint. Make sure exactly these two certificates ("*E1*" and
-"*ISRG-Root-X2*") are shown.
+"*ISRG-Root-X2*") are shown. Also remove the left over file.
 
     /certificate/set name="E1" [ find where common-name="E1" ];
     /certificate/set name="ISRG-Root-X2" [ find where common-name="ISRG Root X2" ];
     /certificate/print proplist=name where fingerprint="46494e30379059df18be52124305e606fc59070e5b21076ce113954b60517cda" or fingerprint="69729b8e15a86efc177a57afb7171dfc64add28c2fca8cf1507e34453ccb1470";
+    /file/remove [ find where name="letsencrypt-E1.pem" ];
 
 ![screenshot: check certs](README.d/03-check-certs.avif)