diff --git a/mrbgems/mruby-time/src/time.c b/mrbgems/mruby-time/src/time.c
index ce822b1f4..b5e9510d0 100644
--- a/mrbgems/mruby-time/src/time.c
+++ b/mrbgems/mruby-time/src/time.c
@@ -943,7 +943,7 @@ mrb_time_to_i(mrb_state *mrb, mrb_value self)
 }
 
 /* 15.2.19.7.26 */
-/* Returns an Integer with the time since the epoch in microseconds. */
+/* Returns the number of microseconds for time. */
 static mrb_value
 mrb_time_usec(mrb_state *mrb, mrb_value self)
 {