diff --git a/README.md b/README.md
index b2deb57..0eff798 100644
--- a/README.md
+++ b/README.md
@@ -4,6 +4,12 @@
 
 ## What's New? ##
 
+Version 1.0.1
+
+* Changes from Paul Stoffregen
+  * Use IntervalTimer on Teensy 3.x
+  * Use LED_BUILTIN for WLED in example
+
 Version 1.0.0
 
 * Initial release
@@ -14,7 +20,7 @@ A Wiring Framework (and Arduino) Library to produce PWM signals on any arbitrary
 
 It was originally designed for use controlling the brightness of LEDs, but could be modified to control servos and other low frequency PWM controlled devices as well.
 
-It uses a single hardware timer (Timer 2) on the microcontroller to generate up to 20 PWM channels.
+It uses a single hardware timer (Timer 2 on AVR, or IntervalTimer on Teensy 3.x) on the microcontroller to generate up to 20 PWM channels.
 
 ----
 
diff --git a/SoftPWM.cpp b/SoftPWM.cpp
index 5256367..fab5ef6 100644
--- a/SoftPWM.cpp
+++ b/SoftPWM.cpp
@@ -34,7 +34,7 @@
 || @type Library
 || @target Atmel AVR 8 Bit
 ||
-|| @version 1.0.0
+|| @version 1.0.1
 ||
 */
 
diff --git a/SoftPWM.h b/SoftPWM.h
index 481ab78..8644b11 100644
--- a/SoftPWM.h
+++ b/SoftPWM.h
@@ -28,7 +28,7 @@
 || @type Library
 || @target Atmel AVR 8 Bit
 ||
-|| @version 1.0.0
+|| @version 1.0.1
 ||
 */
 
diff --git a/SoftPWM_timer.h b/SoftPWM_timer.h
index d6e04e8..c3d057c 100644
--- a/SoftPWM_timer.h
+++ b/SoftPWM_timer.h
@@ -15,7 +15,7 @@
 || @type Library support
 || @target Atmel AVR 8 Bit
 ||
-|| @version 1.0.0
+|| @version 1.0.1
 ||
 */
 
diff --git a/changelog.txt b/changelog.txt
index 0a5abde..097ae1e 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -1,12 +1,13 @@
-$Id: changelog.txt 132 2012-02-14 04:15:05Z bhagman@roguerobotics.com $
-
 SoftPWM Library
 
-Version Modified By Date     Comments
-------- ----------- -------- --------
-0001    B Hagman    10/03/14 Initial coding (Pi Day!)
-0002    B Hagman    10/03/21 License updates, minor fixes
-0003    B Hagman    10/04/21 Added hardset control for syncing to matrix scan lines
-0004    B Hagman    10/06/27 Fixed: pin 0 could not be used.
-0005    B Hagman    11/05/27 Added polarity, and full Wiring support.
-        B Hagman    12/02/13 Fixed Arduino 1.0+ mess.
+Version Modified By  Date       Comments
+------- ------------ ---------- --------
+0001    B Hagman     2010-03-14 Initial coding (Pi Day!)
+0002    B Hagman     2010-03-21 License updates, minor fixes
+0003    B Hagman     2010-04-21 Added hardset control for syncing to matrix scan lines
+0004    B Hagman     2010-06-27 Fixed: pin 0 could not be used.
+0005    B Hagman     2011-05-27 Added polarity, and full Wiring support.
+        B Hagman     2012-02-13 Fixed Arduino 1.0+ mess.
+1.0.0   B Hagman     2017-01-13 Initial release conforming to library standard.
+1.0.1   P Stoffregen 2017-08-30 Use IntervalTimer on Teensy 3.x and use LED_BUILTIN for WLED
+
diff --git a/library.properties b/library.properties
index 73252a7..b1ab1f3 100644
--- a/library.properties
+++ b/library.properties
@@ -1,9 +1,9 @@
 name=SoftPWM
-version=1.0.0
+version=1.0.1
 author=Brett Hagman <bhagman@wiring.org.co>
 maintainer=Brett Hagman <bhagman@wiring.org.co>
 sentence=A software library to produce a 50 percent duty cycle PWM signal on arbitrary pins.<br />
-paragraph=A Wiring Framework (and Arduino) Library, for Atmel AVR8 bit series microcontrollers, to produce PWM signals on any arbitrary pin.<br />It was originally designed for controlling the brightness of LEDs, but could be adapted to control servos and other low frequency PWM controlled  devices as well.<br />It uses a single hardware timer (Timer 2) on an Atmel AVR 8 bit microcontroller to generate up to 20 PWM channels (your mileage may vary).<br /><br />Issues or questions: <a href="https://github.com/bhagman/SoftPWM/issues">https://github.com/bhagman/SoftPWM/issues</a><br />
+paragraph=A Wiring Framework (and Arduino) Library, for Atmel AVR8 bit series microcontrollers and Teensy 3.x, to produce PWM signals on any arbitrary pin.<br />It was originally designed for controlling the brightness of LEDs, but could be adapted to control servos and other low frequency PWM controlled devices as well.<br />It uses a single hardware timer (Timer 2) on an Atmel AVR 8 bit microcontroller (or IntervalTimer on Teensy 3.x) to generate up to 20 PWM channels (your mileage may vary).<br /><br />Issues or questions: <a href="https://github.com/bhagman/SoftPWM/issues">https://github.com/bhagman/SoftPWM/issues</a><br />
 category=Signal Input/Output
 url=https://github.com/bhagman/SoftPWM
-architectures=avr
+architectures=avr,arm