diff --git a/doc/foot.5.scd b/doc/foot.5.scd
index 66038e09..1a4cc1f2 100644
--- a/doc/foot.5.scd
+++ b/doc/foot.5.scd
@@ -34,7 +34,7 @@ in this order:
 
 *geometry*
 	Initial window width and height in pixels, on the form
-	_WIDTHxHEIGHT_.
+	_WIDTHxHEIGHT_. Default: _700x500_.
 
 *pad*
 	Padding between border and glyphs, in pixels, on the form