diff --git a/Private-CA-and-self-signed-certs-that-work-with-Chrome.md b/Private-CA-and-self-signed-certs-that-work-with-Chrome.md
index 9f32351..eeaa37f 100644
--- a/Private-CA-and-self-signed-certs-that-work-with-Chrome.md
+++ b/Private-CA-and-self-signed-certs-that-work-with-Chrome.md
@@ -31,4 +31,8 @@ Create the bitwarden certificate, signed from the root CA:
 openssl x509 -req -in bitwarden.csr -CA myCA.pem -CAkey myCA.key -CAcreateserial -out bitwarden.crt -days 1825 -sha256 -extfile bitwarden.ext
 ```
 
-Add the root certificate and the bitwarden certificate to client computers.
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+Add the root certificate and the bitwarden certificate to client computers.
+
+
+
+For reference, see here: https://deliciousbrains.com/ssl-certificate-authority-for-local-https-development/
\ No newline at end of file