diff --git a/Adafruit_Sensor.h b/Adafruit_Sensor.h
index ff7fee2..999f5c4 100644
--- a/Adafruit_Sensor.h
+++ b/Adafruit_Sensor.h
@@ -1,3 +1,22 @@
+/*
+* Copyright (C) 2008 The Android Open Source Project
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+* http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software< /span>
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+/* Update by K. Townsend (Adafruit Industries) for lighter typedefs, and
+ * extended sensor support to include color, voltage and current */
+ 
 #ifndef _ADAFRUIT_SENSOR_H
 #define _ADAFRUIT_SENSOR_H