Fix default CA typo in splinterd man page
@@ -213,7 +213,7 @@ OPTIONS
`--tls-ca-file CERT-FILE`
: Specifies the path and file name for the trusted CA certificate.
- (Default: `/etc/splinter/certs/ca_pem`.)
+ (Default: `/etc/splinter/certs/ca.pem`.)
Do not use this option with the `--tls-insecure` flag.
