diff --git a/defaults.go b/defaults.go
index fc47a64..7308f1c 100644
--- a/defaults.go
+++ b/defaults.go
@@ -54,8 +54,6 @@ var defaultOptions = map[string]string{
 	"showimages":     "true",
 	"telnetcommand":  "telnet",
 	"theme":          "normal", // "normal", "inverted", "color"
-	"tlscertificate": "",
-	"tlskey":         "",
 	"webmode":        "none", // "none", "gui", "lynx", "w3m", "elinks"
 }
 
diff --git a/gemini/gemini.go b/gemini/gemini.go
index 40e07d7..467f616 100644
--- a/gemini/gemini.go
+++ b/gemini/gemini.go
@@ -268,7 +268,7 @@ func Fetch(host, port, resource string, td *TofuDigest) ([]byte, error) {
 		case 5:
 			return make([]byte, 0), fmt.Errorf("[5] Permanent Failure.")
 		case 6:
-			return make([]byte, 0), fmt.Errorf("[6] Client Certificate Required")
+			return make([]byte, 0), fmt.Errorf("[6] Client Certificate Required (Unsupported)")
 		default:
 			return make([]byte, 0), fmt.Errorf("Invalid response status from server")
 		}
@@ -345,7 +345,7 @@ func Visit(host, port, resource string, td *TofuDigest) (Capsule, error) {
 	case 5:
 		return capsule, fmt.Errorf("[5] Permanent Failure. %s", header[1])
 	case 6:
-		return capsule, fmt.Errorf("[6] Client Certificate Required")
+		return capsule, fmt.Errorf("[6] Client Certificate Required (Unsupported)")
 	default:
 		return capsule, fmt.Errorf("Invalid response status from server")
 	}