diff --git a/README.md b/README.md
index 6100a81..6f32f74 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@ Teensyduinio: 1.39
 
 This library contains convience C++ classes to allow full and easy access to the features of the Teensy Guitar Audio Series of boards.
 
-"Teensy" is an Arduino compatible series of boards from www.pjcr.com
+"Teensy" is an Arduino compatible series of boards from www.pjrc.com
 
 This libray can be downloaded and installed into the Arduino IDE by following the instruction here for installing from a zip: