doxygen comment for gv2gml.c

diff --git a/cmd/tools/gv2gml.c b/cmd/tools/gv2gml.c
index 121364c1f06a8ffa7a08397a4b013dbd2c12470e..ca1a245f1550ebf72ba90ce697a3747d411500e2 100644 (file)
--- a/cmd/tools/gv2gml.c
+++ b/cmd/tools/gv2gml.c
@@ -1,3 +1,8 @@
+/**
+ * @file
+ * @brief DOT-GML converter
+ */
+
 /**********************************************************
 *      This software is part of the graphviz package      *
 *                  https://graphviz.org                   *