diff --git a/examples/MultiSerial_Shield_HWTest/MultiSerial_Shield_HWTest.pde b/examples/MultiSerial_Shield_HWTest/MultiSerial_Shield_HWTest.ino
similarity index 100%
rename from examples/MultiSerial_Shield_HWTest/MultiSerial_Shield_HWTest.pde
rename to examples/MultiSerial_Shield_HWTest/MultiSerial_Shield_HWTest.ino
diff --git a/examples/MultiSerial_to_Serial/MultiSerial_to_Serial.pde b/examples/MultiSerial_to_Serial/MultiSerial_to_Serial.ino
similarity index 100%
rename from examples/MultiSerial_to_Serial/MultiSerial_to_Serial.pde
rename to examples/MultiSerial_to_Serial/MultiSerial_to_Serial.ino