docs: Update documentation and Doxygen documentation generation
diff --git a/model/pit/ndn-pit-entry-outgoing-face.h b/model/pit/ndn-pit-entry-outgoing-face.h
index 20dfdaf..6b498a8 100644
--- a/model/pit/ndn-pit-entry-outgoing-face.h
+++ b/model/pit/ndn-pit-entry-outgoing-face.h
@@ -31,8 +31,8 @@
 namespace pit {
 
 /**
- * \ingroup ndn
- * \brief PIT state component for each outgoing interest
+ * @ingroup ndn-pit
+ * @brief PIT state component for each outgoing interest
  */
 struct OutgoingFace
 {