diff --git a/libguh/types/action.cpp b/libguh/types/action.cpp
index 8df0d25b..cfc93693 100644
--- a/libguh/types/action.cpp
+++ b/libguh/types/action.cpp
@@ -41,6 +41,7 @@ Action::Action(const ActionTypeId &actionTypeId, const DeviceId &deviceId) :
 {
 }
 
+/*! Construct a copy of an \a other Action. */
 Action::Action(const Action &other):
     m_id(other.id()),
     m_actionTypeId(other.actionTypeId()),
@@ -97,6 +98,7 @@ Param Action::param(const QString &paramName) const
     return Param(QString());
 }
 
+/*! Copy the data to an \l{Action} from an \a other action. */
 void Action::operator =(const Action &other)
 {
     m_id = other.id();
diff --git a/libguh/types/event.cpp b/libguh/types/event.cpp
index df216f52..31189085 100644
--- a/libguh/types/event.cpp
+++ b/libguh/types/event.cpp
@@ -40,8 +40,9 @@ Event::Event():
 }
 
 /*! Constructs an Event reflecting the \l{Event} given by \a eventTypeId, associated with
- *  the \l{Device} given by \a deviceId and the parameters given by \a params. The parameters must
- *  match the description in the reflecting \l{Event}. */
+ *  the \l{Device} given by \a deviceId and the parameters given by \a params. The parameter \a isStateChangeEvent
+ *  specifies if the \l{Event} will be autogeneratet or not. The parameters must
+ *  match the description in the reflecting \l{Event}.  */
 Event::Event(const EventTypeId &eventTypeId, const DeviceId &deviceId, const ParamList &params, bool isStateChangeEvent):
     m_id(EventId::createEventId()),
     m_eventTypeId(eventTypeId),
diff --git a/libguh/types/statedescriptor.cpp b/libguh/types/statedescriptor.cpp
index 32e22173..9fbca419 100644
--- a/libguh/types/statedescriptor.cpp
+++ b/libguh/types/statedescriptor.cpp
@@ -109,7 +109,7 @@ bool StateDescriptor::operator ==(const State &state) const
 }
 
 /*! Compare this StateDescriptor to the \l{State} given by \a state.
- *  returns true if the given \a state does not match the definition of the StateDescriptor */
+ *  Returns true if the given \a state does not match the definition of the StateDescriptor */
 bool StateDescriptor::operator !=(const State &state) const
 {
     return !(operator==(state));
diff --git a/plugins/deviceplugins/leynew/devicepluginleynew.cpp b/plugins/deviceplugins/leynew/devicepluginleynew.cpp
index 24956ee3..48b421f1 100644
--- a/plugins/deviceplugins/leynew/devicepluginleynew.cpp
+++ b/plugins/deviceplugins/leynew/devicepluginleynew.cpp
@@ -29,6 +29,7 @@
     Currently only following device is supported:
 
     \l{http://www.leynew.com/en/productview.asp?id=589}{http://www.leynew.com/en/productview.asp?id=589}
+
     \l{http://image.en.09635.com/2012-8/15/RF-Controller-Aluminum-Version-LN-CON-RF20B-H-3CH-LV-316.jpg}{http://image.en.09635.com/2012-8/15/RF-Controller-Aluminum-Version-LN-CON-RF20B-H-3CH-LV-316.jpg}
 
     \chapter Plugin properties
diff --git a/plugins/deviceplugins/unitec/devicepluginunitec.cpp b/plugins/deviceplugins/unitec/devicepluginunitec.cpp
index 364ff729..4f7404e1 100644
--- a/plugins/deviceplugins/unitec/devicepluginunitec.cpp
+++ b/plugins/deviceplugins/unitec/devicepluginunitec.cpp
@@ -23,7 +23,7 @@
     \ingroup plugins
     \ingroup rf433
 
-    This plugin allows to controll RF 433 MHz actors an receive remote signals from \l{www.unitec-elektro.de}{Unitec}
+    This plugin allows to controll RF 433 MHz actors an receive remote signals from \l{http://www.unitec-elektro.de}{Unitec}
     devices.
 
     \chapter Plugin properties
diff --git a/server/guhcore.cpp b/server/guhcore.cpp
index 4e68db20..9ab4261e 100644
--- a/server/guhcore.cpp
+++ b/server/guhcore.cpp
@@ -106,7 +106,7 @@ GuhCore::RunningMode GuhCore::runningMode() const
 }
 
 /*! Set the \a runningMode of this instance. */
-void GuhCore::setRunningMode(const GuhCore::RunningMode &runningMode)
+void GuhCore::setRunningMode(const RunningMode &runningMode)
 {
     m_runningMode = runningMode;
 }
@@ -406,6 +406,7 @@ void GuhCore::gotEvent(const Event &event)
     }
 }
 
+/*! Return the instance of the log engine */
 LogEngine* GuhCore::logEngine() const
 {
     return m_logger;
diff --git a/server/rule.cpp b/server/rule.cpp
index f5fc1d7d..6893f516 100644
--- a/server/rule.cpp
+++ b/server/rule.cpp
@@ -103,6 +103,7 @@ void Rule::setEnabled(bool enabled)
     m_enabled = enabled;
 }
 
+/*! Returns true if the rule is active. */
 bool Rule::active() const
 {
     return m_active;