Index: uspace/app/nav/nav.c
===================================================================
--- uspace/app/nav/nav.c	(revision f6304727e2708f92c9ce8a7ef5ab428b978fae53)
+++ uspace/app/nav/nav.c	(revision 13277e3515519d3c89e00804818e98271fa776e9)
@@ -229,4 +229,10 @@
 }
 
+/** Compute size of panel rectangle.
+ *
+ * @param navigator Navigator
+ * @param i Panel index (0 .. navigator_panels -1)
+ * @param rect Place to store rectangle.
+ */
 static void navigator_panel_rect(navigator_t *navigator, unsigned i,
     gfx_rect_t *rect)