diff --git a/config.def.h b/config.def.h
index f605d7b..5f26c3e 100644
--- a/config.def.h
+++ b/config.def.h
@@ -10,8 +10,10 @@ static const char *tags[] = { "1", "2", "3", "4", "5", "6", "7", "8", "9" };
 
 static const Rule rules[] = {
 	/* app_id     title       tags mask     isfloating   monitor */
+	/* examples:
 	{ "Gimp",     NULL,       0,            1,           -1 },
 	{ "firefox",  NULL,       1 << 8,       0,           -1 },
+	*/
 };
 
 /* layout(s) */