1 files changed, 2 insertions, 2 deletions
diff --git a/zaptel.h b/zaptel.h
index a06c5c3..c33c6ad 100644
--- a/zaptel.h
+++ b/zaptel.h
@@ -662,8 +662,8 @@ struct zt_versioninfo {
 #define ZT_TRANSCODE_OP		_IOWR(ZT_CODE, 93, int)
 
 /*
- * VoiceMail Waiting Indication (WMWI) -- implemented by low-level driver
- * Tell zaptel that a voicemail message is waiting or not.
+ * VoiceMail Waiting Indication (WMWI) -- implemented by low-level driver.
+ * Value: number of waiting messages (hence 0: switch messages off).
  */
 #define ZT_VMWI			_IOWR(ZT_CODE, 94, int)