diff --git a/cmd/restic/global.go b/cmd/restic/global.go
index 8c89a4d80..6f9d657e3 100644
--- a/cmd/restic/global.go
+++ b/cmd/restic/global.go
@@ -94,7 +94,7 @@ func init() {
 	f.BoolVarP(&globalOptions.JSON, "json", "", false, "set output mode to JSON for commands that support it")
 	f.StringVar(&globalOptions.CacheDir, "cache-dir", "", "set the cache directory")
 	f.BoolVar(&globalOptions.NoCache, "no-cache", false, "do not use a local cache")
-	f.StringSliceVar(&globalOptions.CACerts, "cacert", nil, "path to load root certificates from (default: use system certificates)")
+	f.StringSliceVar(&globalOptions.CACerts, "cacert", nil, "`file` to load root certificates from (default: use system certificates)")
 	f.StringVar(&globalOptions.TLSClientCert, "tls-client-cert", "", "path to a file containing PEM encoded TLS client certificate and private key")
 	f.BoolVar(&globalOptions.CleanupCache, "cleanup-cache", false, "auto remove old cache directories")
 	f.IntVar(&globalOptions.LimitUploadKb, "limit-upload", 0, "limits uploads to a maximum rate in KiB/s. (default: unlimited)")