diff --git a/include/osmocom/gsm/comp128v23.h b/include/osmocom/gsm/comp128v23.h
index 31d3933..affe8a2 100644
--- a/include/osmocom/gsm/comp128v23.h
+++ b/include/osmocom/gsm/comp128v23.h
@@ -1,5 +1,5 @@
-/*
- * COMP128v23 header
+/*! \file comp128v23.h
+ * COMP128v23 header.
  *
  * See comp128v23.c for details
  */