diff --git a/main/uuid.c b/main/uuid.c
index e95a4265eef2198bfa3c7fa2d4d876c1f404eb88..ba864ac719653a9c1c79b87bf3c1ca7d65942403 100644
--- a/main/uuid.c
+++ b/main/uuid.c
@@ -18,6 +18,8 @@
 
 /*! \file
  * \brief Universally unique identifier support
+ *
+ * \extref Depends on libuuid, a component of the e2fsprogs package - http://e2fsprogs.sourceforge.net/
  */
 
 #include "asterisk.h"