diff --git a/source/gameengine/SceneGraph/SG_BBox.cpp b/source/gameengine/SceneGraph/SG_BBox.cpp
index 03650645d41..b5618ebbf03 100644
--- a/source/gameengine/SceneGraph/SG_BBox.cpp
+++ b/source/gameengine/SceneGraph/SG_BBox.cpp
@@ -28,6 +28,11 @@
  * Bounding Box
  */
 
+/** \file gameengine/SceneGraph/SG_BBox.cpp
+ *  \ingroup bgesg
+ */
+
+
 #include <math.h>
  
  #include "SG_BBox.h"
diff --git a/source/gameengine/SceneGraph/SG_Controller.cpp b/source/gameengine/SceneGraph/SG_Controller.cpp
index 13ab5a59dad..b5e3c13ee79 100644
--- a/source/gameengine/SceneGraph/SG_Controller.cpp
+++ b/source/gameengine/SceneGraph/SG_Controller.cpp
@@ -27,6 +27,11 @@
  * ***** END GPL LICENSE BLOCK *****
  */
 
+/** \file gameengine/SceneGraph/SG_Controller.cpp
+ *  \ingroup bgesg
+ */
+
+
 #include "SG_Controller.h"
 
 	void 
diff --git a/source/gameengine/SceneGraph/SG_IObject.cpp b/source/gameengine/SceneGraph/SG_IObject.cpp
index 5ff419b7abd..3064e6662b9 100644
--- a/source/gameengine/SceneGraph/SG_IObject.cpp
+++ b/source/gameengine/SceneGraph/SG_IObject.cpp
@@ -26,6 +26,11 @@
  * ***** END GPL LICENSE BLOCK *****
  */
 
+/** \file gameengine/SceneGraph/SG_IObject.cpp
+ *  \ingroup bgesg
+ */
+
+
 #include "SG_IObject.h"
 #include "SG_Controller.h"
 
diff --git a/source/gameengine/SceneGraph/SG_Node.cpp b/source/gameengine/SceneGraph/SG_Node.cpp
index 01980106027..01ada4ea473 100644
--- a/source/gameengine/SceneGraph/SG_Node.cpp
+++ b/source/gameengine/SceneGraph/SG_Node.cpp
@@ -26,6 +26,11 @@
  * ***** END GPL LICENSE BLOCK *****
  */
 
+/** \file gameengine/SceneGraph/SG_Node.cpp
+ *  \ingroup bgesg
+ */
+
+
 #include "SG_Node.h"
 #include "SG_ParentRelation.h"
 #include <algorithm>
diff --git a/source/gameengine/SceneGraph/SG_ParentRelation.h b/source/gameengine/SceneGraph/SG_ParentRelation.h
index 52e41803185..577e3a5c26c 100644
--- a/source/gameengine/SceneGraph/SG_ParentRelation.h
+++ b/source/gameengine/SceneGraph/SG_ParentRelation.h
@@ -32,7 +32,7 @@
  *  \ingroup bgesg
  * @page SG_ParentRelationPage SG_ParentRelation   
 
- * @section 
+ * @section SG_ParentRelationSection SG_ParentRelation
  * 
  * This is an abstract interface class to the Scene Graph library. 
  * It allows you to specify how child nodes react to parent nodes.
diff --git a/source/gameengine/SceneGraph/SG_Spatial.cpp b/source/gameengine/SceneGraph/SG_Spatial.cpp
index 7537d358686..ca778d164c8 100644
--- a/source/gameengine/SceneGraph/SG_Spatial.cpp
+++ b/source/gameengine/SceneGraph/SG_Spatial.cpp
@@ -27,6 +27,11 @@
  * ***** END GPL LICENSE BLOCK *****
  */
 
+/** \file gameengine/SceneGraph/SG_Spatial.cpp
+ *  \ingroup bgesg
+ */
+
+
 #include "SG_Node.h"
 #include "SG_Spatial.h"
 #include "SG_Controller.h"
diff --git a/source/gameengine/SceneGraph/SG_Tree.cpp b/source/gameengine/SceneGraph/SG_Tree.cpp
index 2553aae6011..ee013fd327d 100644
--- a/source/gameengine/SceneGraph/SG_Tree.cpp
+++ b/source/gameengine/SceneGraph/SG_Tree.cpp
@@ -28,6 +28,11 @@
  * Bounding Box
  */
 
+/** \file gameengine/SceneGraph/SG_Tree.cpp
+ *  \ingroup bgesg
+ */
+
+
 #include <math.h>
  
 #include "SG_BBox.h"