diff --git a/lib/hx509/doxygen.c b/lib/hx509/doxygen.c
index a8c305097..3edd0f78d 100644
--- a/lib/hx509/doxygen.c
+++ b/lib/hx509/doxygen.c
@@ -49,6 +49,7 @@
  * - @ref page_lock
  * - @ref page_cms
  * - @ref page_ca
+ * - @ref page_req
  * - @ref page_revoke
  *
  * The project web page:
@@ -78,3 +79,7 @@
 /** @defgroup hx509_query hx509 query functions */
 /** @defgroup hx509_ca hx509 CA functions
  * See the @ref page_ca for description and examples. */
+/** @defgroup hx509_req hx509 certificate request functions */
+/** @defgroup hx509_peer hx509 certificate selecting functions */
+/** @defgroup hx509_print hx509 printing functions */
+/** @defgroup hx509_env hx509 enviroment functions */