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-rw-r--r--include/gwin/graph.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/gwin/graph.h b/include/gwin/graph.h
index a8a84a1d..e7f86d58 100644
--- a/include/gwin/graph.h
+++ b/include/gwin/graph.h
@@ -25,6 +25,10 @@
* @defgroup Graph
* @ingroup GWIN
*
+ * @details GWIN allows it to easily draw graphs.
+ * @pre GFX_USE_GWIN must be set to TRUE in your gfxconf.h
+ * @pre GWIN_NEED_GRAPH must be set to TRUE in your gfxconf.h
+ *
* @{
*/