Index: sources/canbus/CanInterface.cpp
===================================================================
diff -u -r12e7b6dda53cf8db7707c7fa55dcf6137e7d6997 -r7866dbf6119b74e1a4f30a31746ec0fada6d5785
--- sources/canbus/CanInterface.cpp	(.../CanInterface.cpp)	(revision 12e7b6dda53cf8db7707c7fa55dcf6137e7d6997)
+++ sources/canbus/CanInterface.cpp	(.../CanInterface.cpp)	(revision 7866dbf6119b74e1a4f30a31746ec0fada6d5785)
@@ -105,7 +105,7 @@
 
 /*!
  * \brief   CanInterface::enableConsoleOut
- * \details Enable or Disables the console output and logs the status
+ * \details Enables or Disables the console output and logs the status
  * \param   vEnabled - Enable console output if true
  */
 void CanInterface::enableConsoleOut(bool vEnabled) {
@@ -200,7 +200,7 @@
 /*!
  * \brief   CanInterface::checkDevice
  * \details Checks if the device has been connected.
- * \return
+ * \return  true on successful device test and connection.
  */
 bool CanInterface::testDevice()
 {
Index: sources/canbus/MessageAcknowModel.h
===================================================================
diff -u -r12e7b6dda53cf8db7707c7fa55dcf6137e7d6997 -r7866dbf6119b74e1a4f30a31746ec0fada6d5785
--- sources/canbus/MessageAcknowModel.h	(.../MessageAcknowModel.h)	(revision 12e7b6dda53cf8db7707c7fa55dcf6137e7d6997)
+++ sources/canbus/MessageAcknowModel.h	(.../MessageAcknowModel.h)	(revision 7866dbf6119b74e1a4f30a31746ec0fada6d5785)
@@ -95,7 +95,7 @@
     /*!
      * \brief   didFailedTransmit
      * \details This signal is emitted when the requested Acknow has not been received after all the _retry times of retries.
-     * \param   vSequence
+     * \param   vSequence  - Sequence number of the message which required Acknow
      */
     void didFailedTransmit(                Sequence vSequence                             ); // Retry failed
 };
@@ -149,7 +149,7 @@
      * \brief   didFailedTransmit
      * \details This signal is the propagation signal to propagate the AcknowModel Message signal of the same name
      *          when the requested Acknow has not been received after all the _retry times of retries.
-     * \param   vSequence
+     * \param   vSequence  - Sequence number of the message which required Acknow
      */
     void didFailedTransmit(                Sequence vSequence                             ); // Retry failed
 
Index: sources/canbus/MessageBuilder.cpp
===================================================================
diff -u -r8d8dcd5a30aa0b465895788563b39a591b76d34b -r7866dbf6119b74e1a4f30a31746ec0fada6d5785
--- sources/canbus/MessageBuilder.cpp	(.../MessageBuilder.cpp)	(revision 8d8dcd5a30aa0b465895788563b39a591b76d34b)
+++ sources/canbus/MessageBuilder.cpp	(.../MessageBuilder.cpp)	(revision 7866dbf6119b74e1a4f30a31746ec0fada6d5785)
@@ -41,7 +41,7 @@
  * \param   vAction    - The ActionID of the requested message.
  * \param   vData      - The payload of the message.
  * \param   vFrameList - The list of frames which has been created by vAction and vData to be sent.
- * \return  false on error
+ * \return  true on successful to build a frame
  */
 bool MessageBuilder::buildFrames(Gui::GuiActionType vAction, const QByteArray &vData, FrameList &vFrameList, Sequence vSequence)
 {
@@ -285,7 +285,7 @@
 
 /*!
  * \brief   MessageBuilder::enableConsoleOut
- * \details
+ * \details Enables or Disables the console output and logs the status
  * \param   vEnabled
  */
 void MessageBuilder::enableConsoleOut(bool vEnabled) {