DOC: fix typo

README_SETUP.md

@@ -79,7 +79,7 @@ server:
      Replace `localhost` by your host name, if you want.
    - `keytool -importkeystore -srckeystore caosdb.jks -destkeystore caosdb.p12 -deststoretype PKCS12 -srcalias selfsigned`
    - Export the public part only: `openssl pkcs12 -in caosdb.p12 -nokeys -out cert.pem`.
-	 The resulting ``cert.pem` can safely be given to users to allow ssl verification.
+	 The resulting `cert.pem` can safely be given to users to allow ssl verification.
    - You can check the content of the certificate with `openssl x509 -in cert.pem -text`
 
    Alternatively, you can create a keystore from certificate files that you already have: