diff --git a/src/screen.c b/src/screen.c
index fbc3fee..0e8b867 100644
--- a/src/screen.c
+++ b/src/screen.c
@@ -8791,7 +8791,7 @@
     redraw_tabline = FALSE;
 
 #ifdef FEAT_GUI_TABLINE
-    /* When the GUI has the tabline then this always returns zero. */
+    /* Take care of a GUI tabline. */
     if (gui_use_tabline())
     {
 	gui_update_tabline();