diff --git a/examples/CardInfo/CardInfo.ino b/examples/CardInfo/CardInfo.ino
index 720db7e..f1a9445 100644
--- a/examples/CardInfo/CardInfo.ino
+++ b/examples/CardInfo/CardInfo.ino
@@ -33,7 +33,7 @@ SdFile root;
 // Adafruit SD shields and modules: pin 10
 // Sparkfun SD shield: pin 8
 // Teensy audio board: pin 10
-// Teensy 3.5 & 3.6 on-board: BUILTIN_SDCARD
+// Teensy 3.5 & 3.6 & 4.1 on-board: BUILTIN_SDCARD
 // Wiz820+SD board: pin 4
 // Teensy 2.0: pin 0
 // Teensy++ 2.0: pin 20
diff --git a/examples/Datalogger/Datalogger.ino b/examples/Datalogger/Datalogger.ino
index f8062ab..d55fecf 100644
--- a/examples/Datalogger/Datalogger.ino
+++ b/examples/Datalogger/Datalogger.ino
@@ -33,7 +33,7 @@
 // Adafruit SD shields and modules: pin 10
 // Sparkfun SD shield: pin 8
 // Teensy audio board: pin 10
-// Teensy 3.5 & 3.6 on-board: BUILTIN_SDCARD
+// Teensy 3.5 & 3.6 & 4.1 on-board: BUILTIN_SDCARD
 // Wiz820+SD board: pin 4
 // Teensy 2.0: pin 0
 // Teensy++ 2.0: pin 20
diff --git a/examples/DumpFile/DumpFile.ino b/examples/DumpFile/DumpFile.ino
index ecc3028..5aff760 100644
--- a/examples/DumpFile/DumpFile.ino
+++ b/examples/DumpFile/DumpFile.ino
@@ -33,7 +33,7 @@
 // Adafruit SD shields and modules: pin 10
 // Sparkfun SD shield: pin 8
 // Teensy audio board: pin 10
-// Teensy 3.5 & 3.6 on-board: BUILTIN_SDCARD
+// Teensy 3.5 & 3.6 & 4.1 on-board: BUILTIN_SDCARD
 // Wiz820+SD board: pin 4
 // Teensy 2.0: pin 0
 // Teensy++ 2.0: pin 20
diff --git a/examples/Files/Files.ino b/examples/Files/Files.ino
index fe3a3ec..5e3db95 100644
--- a/examples/Files/Files.ino
+++ b/examples/Files/Files.ino
@@ -27,7 +27,7 @@ File myFile;
 // Adafruit SD shields and modules: pin 10
 // Sparkfun SD shield: pin 8
 // Teensy audio board: pin 10
-// Teensy 3.5 & 3.6 on-board: BUILTIN_SDCARD
+// Teensy 3.5 & 3.6 & 4.1 on-board: BUILTIN_SDCARD
 // Wiz820+SD board: pin 4
 // Teensy 2.0: pin 0
 // Teensy++ 2.0: pin 20
diff --git a/examples/ReadWrite/ReadWrite.ino b/examples/ReadWrite/ReadWrite.ino
index c934663..805895f 100644
--- a/examples/ReadWrite/ReadWrite.ino
+++ b/examples/ReadWrite/ReadWrite.ino
@@ -28,7 +28,7 @@ File myFile;
 // Adafruit SD shields and modules: pin 10
 // Sparkfun SD shield: pin 8
 // Teensy audio board: pin 10
-// Teensy 3.5 & 3.6 on-board: BUILTIN_SDCARD
+// Teensy 3.5 & 3.6 & 4.1 on-board: BUILTIN_SDCARD
 // Wiz820+SD board: pin 4
 // Teensy 2.0: pin 0
 // Teensy++ 2.0: pin 20
diff --git a/examples/listfiles/listfiles.ino b/examples/listfiles/listfiles.ino
index 92954ca..d797d1c 100644
--- a/examples/listfiles/listfiles.ino
+++ b/examples/listfiles/listfiles.ino
@@ -27,7 +27,7 @@ File root;
 // Adafruit SD shields and modules: pin 10
 // Sparkfun SD shield: pin 8
 // Teensy audio board: pin 10
-// Teensy 3.5 & 3.6 on-board: BUILTIN_SDCARD
+// Teensy 3.5 & 3.6 & 4.1 on-board: BUILTIN_SDCARD
 // Wiz820+SD board: pin 4
 // Teensy 2.0: pin 0
 // Teensy++ 2.0: pin 20