diff --git a/model/fib/ndn-fib-impl.h b/model/fib/ndn-fib-impl.h
index 3054420..b221d48 100644
--- a/model/fib/ndn-fib-impl.h
+++ b/model/fib/ndn-fib-impl.h
@@ -31,6 +31,10 @@
 namespace ndn {
 namespace fib {
 
+/**
+ * @ingroup ndn-fib
+ * @brief FIB entry implementation with with additional references to the base container
+ */
 class EntryImpl : public Entry
 {
 public:
@@ -60,7 +64,7 @@
 };
 
 /**
- * \ingroup ndn
+ * @ingroup ndn-fib
  * \brief Class implementing FIB functionality
  */
 class FibImpl : public Fib,