diff --git a/include/types.h b/include/types.h
index 31f2682e..d25f409c 100644
--- a/include/types.h
+++ b/include/types.h
@@ -105,7 +105,7 @@ struct ofono_network_time {
 	int mday;	/* Day of month [1..31], -1 if unavailable */
 	int mon;	/* Month [1..12], -1 if unavailable */
 	int year;	/* Current year, -1 if unavailable */
-	int dst;	/* Current adjustment, in seconds */
+	int dst;	/* Current adjustment, in hours */
 	int utcoff;	/* Offset from UTC in seconds */
 };