diff --git a/libraries/IRremote/examples/SendAndReceive/SendAndReceive.ino b/libraries/IRremote/examples/SendAndReceive/SendAndReceive.ino
index c6089d2..0dc107c 100644
--- a/libraries/IRremote/examples/SendAndReceive/SendAndReceive.ino
+++ b/libraries/IRremote/examples/SendAndReceive/SendAndReceive.ino
@@ -40,7 +40,7 @@
 //#define EXCLUDE_EXOTIC_PROTOCOLS // saves around 650 bytes program memory if all other protocols are active
 //#define NO_LED_FEEDBACK_CODE      // saves 92 bytes program memory
 //#define RECORD_GAP_MICROS 12000   // Default is 8000. Activate it for some LG air conditioner protocols
-//#define SEND_PWM_BY_TIMER         // Disable carrier PWM generation in software and use (restricted) hardware PWM.
+#define SEND_PWM_BY_TIMER         // Disable carrier PWM generation in software and use (restricted) hardware PWM.
 //#define USE_NO_SEND_PWM           // Use no carrier PWM, just simulate an active low receiver signal. Overrides SEND_PWM_BY_TIMER definition
 
 //#define DEBUG // Activate this for lots of lovely debug output from the decoders.
@@ -75,7 +75,7 @@ void setup() {
     Serial.print(F("Ready to receive IR signals of protocols: "));
     printActiveIRProtocols(&Serial);
     Serial.println(F("at pin " STR(IR_RECEIVE_PIN)));
-    IrSender.begin(); // Start with IR_SEND_PIN -which is defined in PinDefinitionsAndMore.h- as send pin and enable feedback LED at default feedback LED pin
+    IrSender.begin(); // Start with IR_SEND_PIN as send pin and enable feedback LED at default feedback LED pin
     Serial.println(F("Send IR signals at pin " STR(IR_SEND_PIN)));
 
 #  if !defined(SEND_PWM_BY_TIMER) && !defined(USE_NO_SEND_PWM)
diff --git a/libraries/IRremote/examples/SimpleSender/SimpleSender.ino b/libraries/IRremote/examples/SimpleSender/SimpleSender.ino
index 1dcc978..952a4ad 100644
--- a/libraries/IRremote/examples/SimpleSender/SimpleSender.ino
+++ b/libraries/IRremote/examples/SimpleSender/SimpleSender.ino
@@ -13,8 +13,8 @@
  */
 #include <Arduino.h>
 
-//#define SEND_PWM_BY_TIMER         // Disable carrier PWM generation in software and use (restricted) hardware PWM.
-#define USE_NO_SEND_PWM           // Use no carrier PWM, just simulate an active low receiver signal. Overrides SEND_PWM_BY_TIMER definition
+#define SEND_PWM_BY_TIMER         // Disable carrier PWM generation in software and use (restricted) hardware PWM.
+//#define USE_NO_SEND_PWM           // Use no carrier PWM, just simulate an active low receiver signal. Overrides SEND_PWM_BY_TIMER definition
 
 #define IR_SEND_PIN   5