diff --git a/lib/CommandHandler/CommandHandler.cpp b/lib/CommandHandler/CommandHandler.cpp
index 8b687c8..e1cdafe 100644
--- a/lib/CommandHandler/CommandHandler.cpp
+++ b/lib/CommandHandler/CommandHandler.cpp
@@ -1,3 +1,13 @@
+/**
+ * @file CommandHandler.cpp
+ * @author Jens True (jens.chr.true@gmail.com)
+ * @brief CommandHandler implementation
+ * @version 0.1
+ * @date 2021-11-10
+ * 
+ * @copyright Copyright (c) 2021
+ * 
+ */
 #include "CommandHandler.h"
 
 #include "Arduino.h"
diff --git a/lib/CommandHandler/CommandHandler.h b/lib/CommandHandler/CommandHandler.h
index 8ee1f44..d9756c3 100644
--- a/lib/CommandHandler/CommandHandler.h
+++ b/lib/CommandHandler/CommandHandler.h
@@ -1,11 +1,20 @@
+/**
+ * @file CommandHandler.h
+ * @author Jens True (jens.chr.true@gmail.com)
+ * @brief CommandHandler Header
+ * @version 0.1
+ * @date 2021-11-10
+ * 
+ * @copyright Copyright (c) 2021
+ * 
+ */
+
 #ifndef COMMANDHANDLER_H
 #define COMMANDHANDLER_H
 #include "DisplayProxy.h"
 
 /**
  * Parse a JSON command and convert it into display command(s).
- * 
- * 
  */
 class CommandHandler
 {
@@ -32,6 +41,8 @@ public:
      * @return True if the input was parsed correctly.
      */
     bool parseJSON(const char *cmd);
+
+    bool parse
 private:
     /**
      * Internal helpers for printing debug strings
diff --git a/lib/DisplayProxy/DisplayProxy.h b/lib/DisplayProxy/DisplayProxy.h
index 0c0d92d..b2cabc5 100644
--- a/lib/DisplayProxy/DisplayProxy.h
+++ b/lib/DisplayProxy/DisplayProxy.h
@@ -1,3 +1,13 @@
+/**
+ * @file DisplayProxy.h
+ * @author Jens True (jens.chr.true@gmail.com)
+ * @brief DisplayProxy header
+ * @version 0.1
+ * @date 2021-11-10
+ * 
+ * @copyright Copyright (c) 2021
+ * 
+ */
 #ifndef DISPLAYPROXY_H
 #define DISPLAYPROXY_H
 
diff --git a/lib/DisplayProxy/DisplayProxyMAX7456.cpp b/lib/DisplayProxy/DisplayProxyMAX7456.cpp
index 69a7dbf..13b7786 100644
--- a/lib/DisplayProxy/DisplayProxyMAX7456.cpp
+++ b/lib/DisplayProxy/DisplayProxyMAX7456.cpp
@@ -1,3 +1,13 @@
+/**
+ * @file DisplayProxyMAX7456.cpp
+ * @author Jens True (jens.chr.true@gmail.com)
+ * @brief DisplayProxyMAX7456 Implementation
+ * @version 0.1
+ * @date 2021-11-10
+ * 
+ * @copyright Copyright (c) 2021
+ * 
+ */
 #include "DisplayProxyMAX7456.h"
 
 DisplayProxyMAX7456::DisplayProxyMAX7456()
diff --git a/lib/DisplayProxy/DisplayProxyMAX7456.h b/lib/DisplayProxy/DisplayProxyMAX7456.h
index 3a3d442..44ca5ec 100644
--- a/lib/DisplayProxy/DisplayProxyMAX7456.h
+++ b/lib/DisplayProxy/DisplayProxyMAX7456.h
@@ -1,3 +1,13 @@
+/**
+ * @file DisplayProxyMAX7456.h
+ * @author Jens True (jens.chr.true@gmail.com)
+ * @brief DisplayProxyMAX7456 header
+ * @version 0.1
+ * @date 2021-11-10
+ * 
+ * @copyright Copyright (c) 2021
+ * 
+ */
 #ifndef DISPLAYPROXYMAX7456_H
 #define DISPLAYPROXYMAX7456_H
 
diff --git a/src/main.cpp b/src/main.cpp
index 1ca66f6..0ed27a9 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1,9 +1,20 @@
 /**
- * \file
+ * @file main.cpp
+ * @author Jens True (jens.chr.true@gmail.com)
+ * @brief 
+ * @version 0.1
+ * @date 2021-11-10
+ * @copyright Copyright (c) 2021
+ * 
  * Main application entry point.
  * Arduino Style but still a .cpp file
  */
 
+/**
+ * \file
+
+ */
+
 #include "Arduino.h"
 
 #include "config.h"