2 files changed, 23 insertions, 1 deletions
diff --git a/proto/fail.go b/proto/fail.go
index 0b6366b..bd54965 100644
--- a/proto/fail.go
+++ b/proto/fail.go
@@ -7,5 +7,5 @@ func (f Fail) Cmd() Command {
 }
 
 func (f Fail) Error() string {
-	return f.Kind
+	return Strfail(Object(f))
 }
diff --git a/proto/strfail.go b/proto/strfail.go
new file mode 100644
index 0000000..83f314b
--- /dev/null
+++ b/proto/strfail.go
@@ -0,0 +1,22 @@
+package proto
+
+func Strfail(fail Object) string {
+	switch fail.Kind {
+	case "bad-target":
+		return "unknown user or channel"
+	case "unknown-name":
+		return "unknown user or channel name"
+	case "invalid":
+		return "invalid action"
+	case "forbidden":
+		return "you don't have permission to do that"
+	case "name-taken":
+		return "name is in use: " + fail.Fields[""]
+	case "invalid-name":
+		return "name is too long or contains invalid characters: " + fail.Fields[""]
+	case "not-in-channel":
+		return "you are not a member of this channel: " + fail.Fields[""]
+	default:
+		return "unknown error"
+	}
+}