diff --git a/lib/CommandHandler/CommandHandler.h b/lib/CommandHandler/CommandHandler.h
index d1b8047..35b5cb9 100644
--- a/lib/CommandHandler/CommandHandler.h
+++ b/lib/CommandHandler/CommandHandler.h
@@ -29,6 +29,10 @@ private:
      * Internal helper for printing debug strings
      */
     void debugWrite(int x, int y, const char *text);
+
+    /**
+     * Display instance
+     */
     DisplayProxy *display;
 
 };
diff --git a/src/main.cpp b/src/main.cpp
index ed061a7..1ca66f6 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1,5 +1,5 @@
 /**
- * \file main.cpp
+ * \file
  * Main application entry point.
  * Arduino Style but still a .cpp file
  */
@@ -10,7 +10,9 @@
 #include "CommandHandler.h"
 #include "DisplayProxyMAX7456.h"
 
+/// The display instance
 DisplayProxyMAX7456 display;
+//The commandhandler needs a reference to the display instance
 CommandHandler cmd_handler(&display);
 
 /**