diff --git a/examples/ChangeUID/ChangeUID.ino b/examples/ChangeUID/ChangeUID.ino
index 19315cd..8c0e4dc 100644
--- a/examples/ChangeUID/ChangeUID.ino
+++ b/examples/ChangeUID/ChangeUID.ino
@@ -61,7 +61,7 @@ void setup() {
 // But of course this is a more proper approach
 void loop() {
   
-  // Look for new cards, and select one if present
+  // Reset the loop if no new card present on the sensor/reader. This saves the entire process when idle. And if present, select one.
   if ( ! mfrc522.PICC_IsNewCardPresent() || ! mfrc522.PICC_ReadCardSerial() ) {
     delay(50);
     return;
diff --git a/examples/DumpInfo/DumpInfo.ino b/examples/DumpInfo/DumpInfo.ino
index 5cb0aaa..2024824 100644
--- a/examples/DumpInfo/DumpInfo.ino
+++ b/examples/DumpInfo/DumpInfo.ino
@@ -51,7 +51,7 @@ void setup() {
 }
 
 void loop() {
-	// Look for new cards
+	// Reset the loop if no new card present on the sensor/reader. This saves the entire process when idle.
 	if ( ! mfrc522.PICC_IsNewCardPresent()) {
 		return;
 	}
diff --git a/examples/MifareClassicValueBlock/MifareClassicValueBlock.ino b/examples/MifareClassicValueBlock/MifareClassicValueBlock.ino
index 1d78832..3bf572a 100644
--- a/examples/MifareClassicValueBlock/MifareClassicValueBlock.ino
+++ b/examples/MifareClassicValueBlock/MifareClassicValueBlock.ino
@@ -65,7 +65,7 @@ void setup() {
  * Main loop.
  */
 void loop() {
-    // Look for new cards
+    // Reset the loop if no new card present on the sensor/reader. This saves the entire process when idle.
     if ( ! mfrc522.PICC_IsNewCardPresent())
         return;
 
diff --git a/examples/Ntag216_AUTH/Ntag216_AUTH.ino b/examples/Ntag216_AUTH/Ntag216_AUTH.ino
index fc9f22c..8248ba4 100644
--- a/examples/Ntag216_AUTH/Ntag216_AUTH.ino
+++ b/examples/Ntag216_AUTH/Ntag216_AUTH.ino
@@ -26,7 +26,7 @@ void setup() {
 }
 
 void loop() {
-  // Look for new cards
+  // Reset the loop if no new card present on the sensor/reader. This saves the entire process when idle.
   if ( ! mfrc522.PICC_IsNewCardPresent()) {
     return;
   }
@@ -55,4 +55,4 @@ void loop() {
   mfrc522.PICC_DumpMifareUltralightToSerial(); //This is a modifier dunp just cghange the for cicle to < 232 instead of < 16 in order to see all the pages on NTAG216
 
   delay(3000);
-}
\ No newline at end of file
+}
diff --git a/examples/ReadAndWrite/ReadAndWrite.ino b/examples/ReadAndWrite/ReadAndWrite.ino
index af95160..1e3304b 100644
--- a/examples/ReadAndWrite/ReadAndWrite.ino
+++ b/examples/ReadAndWrite/ReadAndWrite.ino
@@ -64,7 +64,7 @@ void setup() {
  * Main loop.
  */
 void loop() {
-    // Look for new cards
+    // Reset the loop if no new card present on the sensor/reader. This saves the entire process when idle.
     if ( ! mfrc522.PICC_IsNewCardPresent())
         return;
 
diff --git a/examples/ReadNUID/ReadNUID.ino b/examples/ReadNUID/ReadNUID.ino
index 9ff99da..040b5d3 100644
--- a/examples/ReadNUID/ReadNUID.ino
+++ b/examples/ReadNUID/ReadNUID.ino
@@ -57,7 +57,7 @@ void setup() {
  
 void loop() {
 
-  // Look for new cards
+  // Reset the loop if no new card present on the sensor/reader. This saves the entire process when idle.
   if ( ! rfid.PICC_IsNewCardPresent())
     return;
 
diff --git a/examples/rfid_default_keys/rfid_default_keys.ino b/examples/rfid_default_keys/rfid_default_keys.ino
index aa0c8a2..c770446 100644
--- a/examples/rfid_default_keys/rfid_default_keys.ino
+++ b/examples/rfid_default_keys/rfid_default_keys.ino
@@ -119,7 +119,7 @@ bool try_key(MFRC522::MIFARE_Key *key)
  * Main loop.
  */
 void loop() {
-    // Look for new cards
+    // Reset the loop if no new card present on the sensor/reader. This saves the entire process when idle.
     if ( ! mfrc522.PICC_IsNewCardPresent())
         return;
 
diff --git a/examples/rfid_read_personal_data/rfid_read_personal_data.ino b/examples/rfid_read_personal_data/rfid_read_personal_data.ino
index 5271cd1..5b50393 100644
--- a/examples/rfid_read_personal_data/rfid_read_personal_data.ino
+++ b/examples/rfid_read_personal_data/rfid_read_personal_data.ino
@@ -49,7 +49,7 @@ void loop() {
 
   //-------------------------------------------
 
-  // Look for new cards
+  // Reset the loop if no new card present on the sensor/reader. This saves the entire process when idle.
   if ( ! mfrc522.PICC_IsNewCardPresent()) {
     return;
   }
diff --git a/examples/rfid_write_personal_data/rfid_write_personal_data.ino b/examples/rfid_write_personal_data/rfid_write_personal_data.ino
index 75bb2fb..fa0dadd 100644
--- a/examples/rfid_write_personal_data/rfid_write_personal_data.ino
+++ b/examples/rfid_write_personal_data/rfid_write_personal_data.ino
@@ -40,7 +40,7 @@ void loop() {
   MFRC522::MIFARE_Key key;
   for (byte i = 0; i < 6; i++) key.keyByte[i] = 0xFF;
 
-  // Look for new cards
+  // Reset the loop if no new card present on the sensor/reader. This saves the entire process when idle.
   if ( ! mfrc522.PICC_IsNewCardPresent()) {
     return;
   }
@@ -153,4 +153,4 @@ void loop() {
   mfrc522.PICC_HaltA(); // Halt PICC
   mfrc522.PCD_StopCrypto1();  // Stop encryption on PCD
 
-}
\ No newline at end of file
+}