docs: Update documentation and Doxygen documentation generation
diff --git a/model/pit/ndn-pit-impl.h b/model/pit/ndn-pit-impl.h
index 26e3a6b..6a8dfcd 100644
--- a/model/pit/ndn-pit-impl.h
+++ b/model/pit/ndn-pit-impl.h
@@ -43,8 +43,8 @@
 namespace pit {
 
 /**
- * \ingroup ndn
- * \brief Class implementing Pending Interests Table
+ * @ingroup ndn-pit
+ * @brief Class implementing Pending Interests Table
  */
 template<class Policy>
 class PitImpl : public Pit