Update README.md

Author: tylerezimmerman

README.md

@@ -116,7 +116,7 @@ print(f"username: {secret.fields['username'].value}\npassword: {secret.fields['p
 
 ## Using Self-Signed Certificates
 
-When using a self-signed certificate for SSL, the `REQUESTS_CA_BUNDLE` environment variable should be set to the path of the certificate (in `.pem` format). This will negate the need to ignore SSL certificate verification, which makes your application vunerable. Please reference the [`requests` documentation](https://docs.python-requests.org/en/master/user/advanced/#ssl-cert-verification) for further details on the `REQUESTS_CA_BUNDLE` environment variable, should you require it.
+When using a self-signed certificate for SSL, the `REQUESTS_CA_BUNDLE` environment variable should be set to the path of the certificate (in `.pem` format). This will negate the need to ignore SSL certificate verification, which makes your application vunerable. Please reference the [`requests` documentation](https://docs.python.org/3/library/ssl.html) for further details on the `REQUESTS_CA_BUNDLE` environment variable, should you require it.
 
 ## Create a Build Environment (optional)