diff --git a/Adafruit_SPIDevice.cpp b/Adafruit_SPIDevice.cpp
index 63a9c7a..1238be6 100644
--- a/Adafruit_SPIDevice.cpp
+++ b/Adafruit_SPIDevice.cpp
@@ -70,7 +70,9 @@ Adafruit_SPIDevice::Adafruit_SPIDevice(int8_t cspin, int8_t sckpin,
   _spi = NULL;
 }
 
-// release memory allocated in constructors
+/*!
+ *    @brief  Release memory allocated in constructors
+ */
 Adafruit_SPIDevice::~Adafruit_SPIDevice() {
   if (_spiSetting) {
     delete _spiSetting;