diff --git a/src/sixlowpan/model/sixlowpan-net-device.h b/src/sixlowpan/model/sixlowpan-net-device.h
index 7b1315052..4e0036496 100644
--- a/src/sixlowpan/model/sixlowpan-net-device.h
+++ b/src/sixlowpan/model/sixlowpan-net-device.h
@@ -52,6 +52,12 @@ class EventId;
  *</ul>
  */
 
+/**
+ * \ingroup sixlowpan
+ * \ingroup tests
+ * \defgroup sixlowpan-tests 6LoWPAN module tests
+ */
+
 /**
  * \ingroup sixlowpan
  *
diff --git a/src/sixlowpan/test/sixlowpan-fragmentation-test.cc b/src/sixlowpan/test/sixlowpan-fragmentation-test.cc
index c40c03b8a..68c275760 100644
--- a/src/sixlowpan/test/sixlowpan-fragmentation-test.cc
+++ b/src/sixlowpan/test/sixlowpan-fragmentation-test.cc
@@ -45,8 +45,7 @@
 using namespace ns3;
 
 /**
- * \ingroup sixlowpan-test
- * \ingroup tests
+ * \ingroup sixlowpan-tests
  *
  * \brief 6LoWPAN Fragmentation Test
  */
@@ -462,8 +461,7 @@ SixlowpanFragmentationTest::DoRun (void)
 
 
 /**
- * \ingroup sixlowpan-test
- * \ingroup tests
+ * \ingroup sixlowpan-tests
  *
  * \brief 6LoWPAN Fragmentation TestSuite
  */
diff --git a/src/sixlowpan/test/sixlowpan-hc1-test.cc b/src/sixlowpan/test/sixlowpan-hc1-test.cc
index 9d22bbeab..be576be2a 100644
--- a/src/sixlowpan/test/sixlowpan-hc1-test.cc
+++ b/src/sixlowpan/test/sixlowpan-hc1-test.cc
@@ -40,8 +40,7 @@
 using namespace ns3;
 
 /**
- * \ingroup sixlowpan-test
- * \ingroup tests
+ * \ingroup sixlowpan-tests
  *
  * \brief 6LoWPAN HC1 Test
  */
@@ -211,8 +210,7 @@ SixlowpanHc1ImplTest::DoRun (void)
 
 
 /**
- * \ingroup sixlowpan-test
- * \ingroup tests
+ * \ingroup sixlowpan-tests
  *
  * \brief 6LoWPAN HC1 TestSuite
  */
diff --git a/src/sixlowpan/test/sixlowpan-iphc-stateful-test.cc b/src/sixlowpan/test/sixlowpan-iphc-stateful-test.cc
index d22fedfe8..ecdee2d77 100644
--- a/src/sixlowpan/test/sixlowpan-iphc-stateful-test.cc
+++ b/src/sixlowpan/test/sixlowpan-iphc-stateful-test.cc
@@ -43,14 +43,7 @@
 using namespace ns3;
 
 /**
- * \ingroup sixlowpan
- * \defgroup sixlowpan-test 6LoWPAN module tests
- */
-
-
-/**
- * \ingroup sixlowpan-test
- * \ingroup tests
+ * \ingroup sixlowpan-tests
  *
  * \brief 6LoWPAN IPHC stateful compression Test
  */
@@ -318,8 +311,7 @@ SixlowpanIphcStatefulImplTest::DoRun (void)
 
 
 /**
- * \ingroup sixlowpan-test
- * \ingroup tests
+ * \ingroup sixlowpan-tests
  *
  * \brief 6LoWPAN IPHC TestSuite
  */
diff --git a/src/sixlowpan/test/sixlowpan-iphc-test.cc b/src/sixlowpan/test/sixlowpan-iphc-test.cc
index 6c2530268..c312f0933 100644
--- a/src/sixlowpan/test/sixlowpan-iphc-test.cc
+++ b/src/sixlowpan/test/sixlowpan-iphc-test.cc
@@ -39,15 +39,9 @@
 
 using namespace ns3;
 
-/**
- * \ingroup sixlowpan
- * \defgroup sixlowpan-test 6LoWPAN module tests
- */
-
 
 /**
- * \ingroup sixlowpan-test
- * \ingroup tests
+ * \ingroup sixlowpan-tests
  *
  * \brief 6LoWPAN IPHC Test
  */
@@ -215,8 +209,7 @@ SixlowpanIphcImplTest::DoRun (void)
 
 
 /**
- * \ingroup sixlowpan-test
- * \ingroup tests
+ * \ingroup sixlowpan-tests
  *
  * \brief 6LoWPAN IPHC TestSuite
  */