diff --git a/sleep/hello_sleep/hello_sleep.c b/sleep/hello_sleep/hello_sleep.c
index d7412e9..7a8a48e 100644
--- a/sleep/hello_sleep/hello_sleep.c
+++ b/sleep/hello_sleep/hello_sleep.c
@@ -29,7 +29,7 @@ static void rtc_sleep(void) {
             .sec   = 00
     };
 
-    // Alarm 30 seconds later
+    // Alarm 10 seconds later
     datetime_t t_alarm = {
             .year  = 2020,
             .month = 06,
@@ -74,4 +74,4 @@ int main() {
     }
 
     return 0;
-}
\ No newline at end of file
+}