DOC: Fix documentation for DummyClient

Examples/ObjectControllerDummyClient/ObjectControllerDummyClient.cpp

@@ -28,7 +28,7 @@ using namespace imstk;
 
 ///
 /// \brief This example demonstrates controlling the object
-/// using external device. NOTE: Requires GeoMagic Touch device
+/// using a simulated tracker: dummy client
 ///
 int main()
 {

Source/Devices/imstkDummyClient.h

@@ -28,7 +28,8 @@ namespace imstk
 {
 ///
 /// \class Dummy client
-/// \brief Allows setting the pose of the device from external caller
+/// \brief Allows setting the pose of the device from external caller without a
+///  real device connected
 ///
 class DummyClient : public DeviceClient
 {