diff --git a/utils/ndn-limits-window.h b/utils/ndn-limits-window.h
index 655b8ef..1c1ed49 100644
--- a/utils/ndn-limits-window.h
+++ b/utils/ndn-limits-window.h
@@ -27,7 +27,7 @@
 namespace ndn {
 
 /**
- * \ingroup ndn
+ * \ingroup ndn-fw
  * \brief Structure to manage limits for outstanding interests (window-based limiting)
  */
 class LimitsWindow :