diff --git a/model/ndn-face.h b/model/ndn-face.h
index 78c65a7..acb1c90 100644
--- a/model/ndn-face.h
+++ b/model/ndn-face.h
@@ -111,7 +111,7 @@
   ////////////////////////////////////////////////////////////////////
 
   /**
-   * \Brief Assign routing/forwarding metric with face
+   * \brief Assign routing/forwarding metric with face
    *
    * \param metric configured routing metric (cost) of this face
    */