diff --git a/docs/images/mic.jpg b/docs/images/mic.jpg
new file mode 100755
index 00000000..51dd9c78
Binary files /dev/null and b/docs/images/mic.jpg differ
diff --git a/src/mic/mic.h b/src/mic/mic.h
index 204871dd..aa3e32ba 100644
--- a/src/mic/mic.h
+++ b/src/mic/mic.h
@@ -36,16 +36,24 @@ struct thresholdContext {
 namespace upm {
 
 /**
- * @brief analog microphone library
+ * @brief Analog Microphone library
  * @defgroup mic libupm-mic
+ * @ingroup seeed pwm sound
  */
-
 /**
+ * @library libupm-mic
+ * @sensor mic
+ * @comname Analog Microphone
+ * @type sound
+ * @man seeed
+ * @web http://www.seeedstudio.com/wiki/Grove_-_Sound_Sensors
+ * @con pwm
+ *
  * @brief C++ API for Microphone
  *
  * This file defines the Microphone Analog sensor
  *
- * @ingroup mic pwm
+ * @image html mic.jpg
  * @snippet mic.cxx Interesting
  */
 class Microphone {