Add missing documentation of send_strerror().

diff --git a/command.c b/command.c
index 53465e3089d862647e7476228033b3021314d4b7..b67966fa0653cae2641a37823fcf81c2410b63ce 100644 (file)
--- a/command.c
+++ b/command.c
@@ -259,6 +259,14 @@ __printf_3_4 int send_sb_va(struct stream_cipher_context *scc, int band,
        return send_sb(scc, msg, ret, band, false);
 }
 
+/**
+ * Send an error message to a client.
+ *
+ * \param cc Client info.
+ * \param err The (positive) error code.
+ *
+ * \return The return value of the underlying call to send_sb_va().
+ */
 int send_strerror(struct command_context *cc, int err)
 {
        return cc->use_sideband?