diff --git a/Adafruit_FRAM_SPI.cpp b/Adafruit_FRAM_SPI.cpp
index cad788e..81f2e00 100644
--- a/Adafruit_FRAM_SPI.cpp
+++ b/Adafruit_FRAM_SPI.cpp
@@ -34,6 +34,7 @@
 
 #include "Adafruit_FRAM_SPI.h"
 
+/// Enable debug output
 #define FRAM_DEBUG 0
 
 /// Supported flash devices