diff --git a/examples/ds3231/ds3231.ino b/examples/ds3231/ds3231.ino
index 4bbf062d..bec91d13 100644
--- a/examples/ds3231/ds3231.ino
+++ b/examples/ds3231/ds3231.ino
@@ -22,12 +22,19 @@ void setup () {
 
   if (rtc.lostPower()) {
     Serial.println("RTC lost power, lets set the time!");
-    // following line sets the RTC to the date & time this sketch was compiled
+    // If the RTC have lost power it will sets the RTC to the date & time this sketch was compiled in the following line
     rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));
     // This line sets the RTC with an explicit date & time, for example to set
     // January 21, 2014 at 3am you would call:
     // rtc.adjust(DateTime(2014, 1, 21, 3, 0, 0));
   }
+  
+  // If you need to set the time of the uncomment line 34 or 37
+  // following line sets the RTC to the date & time this sketch was compiled
+  // rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));
+  // This line sets the RTC with an explicit date & time, for example to set
+  // January 21, 2014 at 3am you would call:
+  // rtc.adjust(DateTime(2014, 1, 21, 3, 0, 0));
 }
 
 void loop () {