diff --git a/docs/config.qdocconf b/docs/config.qdocconf
index e55b75d..ef63711 100644
--- a/docs/config.qdocconf
+++ b/docs/config.qdocconf
@@ -22,9 +22,9 @@ sourceencoding          = UTF-8
 syntaxhighlighting = true
 
 headerdirs = ../libnymea-gpio
-sourcedirs = ../libnymea-gpio
+sourcedirs = ../libnymea-gpio ../docs
 
 headers.fileextensions = "*.h"
-sources.fileextensions = "*.cpp"
+sources.fileextensions = "*.cpp *.qdoc"
 
 Cpp.ignoredirectives = Q_DECLARE_METATYPE Q_DECLARE_LOGGING_CATEGORY Q_LOGGING_CATEGORY Q_ENUM
diff --git a/docs/index.qdoc b/docs/index.qdoc
new file mode 100644
index 0000000..917cee1
--- /dev/null
+++ b/docs/index.qdoc
@@ -0,0 +1,11 @@
+/*!
+    \page index.html
+    \title nymea-gpio documentation
+
+    The nymea-gpio library allowes to interact in an confortable way with system GPIOs. 
+
+    \chapter Classes
+    \annotatedlist gpio
+
+*/
+
diff --git a/libnymea-gpio/gpio.cpp b/libnymea-gpio/gpio.cpp
index 8934d76..0b51ed5 100644
--- a/libnymea-gpio/gpio.cpp
+++ b/libnymea-gpio/gpio.cpp
@@ -24,6 +24,7 @@
     \class Gpio
     \brief Represents a system GPIO in linux systems.
     \inmodule nymea-gpio
+    \ingroup gpio
 
     A "General Purpose Input/Output" (GPIO) is a flexible software-controlled
     digital signal. They are provided from many kinds of chip, and are familiar
diff --git a/libnymea-gpio/gpiobutton.cpp b/libnymea-gpio/gpiobutton.cpp
index ffe6e38..f61b3f0 100644
--- a/libnymea-gpio/gpiobutton.cpp
+++ b/libnymea-gpio/gpiobutton.cpp
@@ -24,6 +24,7 @@
     \class GpioButton
     \brief Represents a GPIO Button with some helper methods.
     \inmodule nymea-gpio
+    \ingroup gpio
 
     This class represents a Button based on a GPIO. The class takes care about the \l{clicked()} signal handling, debounces the GPIO signal
     and offers a nice interface for \l{longPressed()} behaviour.
diff --git a/libnymea-gpio/gpiobutton.h b/libnymea-gpio/gpiobutton.h
index 65e55a1..f80d7ac 100644
--- a/libnymea-gpio/gpiobutton.h
+++ b/libnymea-gpio/gpiobutton.h
@@ -33,7 +33,7 @@ class GpioButton : public QObject
 {
     Q_OBJECT
 public:
-    explicit GpioButton(int gpioNumber, QObject *parent = nullptr);
+    explicit GpioButton(int gpio, QObject *parent = nullptr);
 
     int gpioNumber() const;
 
diff --git a/libnymea-gpio/gpiomonitor.cpp b/libnymea-gpio/gpiomonitor.cpp
index 271007f..3bb77c5 100644
--- a/libnymea-gpio/gpiomonitor.cpp
+++ b/libnymea-gpio/gpiomonitor.cpp
@@ -24,6 +24,7 @@
     \class GpioMonitor
     \brief Monitor for GPIO interrupts.
     \inmodule nymea-gpio
+    \ingroup gpio
 
     This class allows to monitor an input GPIO for the interrupts depending on the edge interrupt configuration.