Fix formatting typo in Misc/NEWS.
diff --git a/Misc/NEWS b/Misc/NEWS
index 5cdb5bd..bf5dd5b 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -104,7 +104,7 @@
selection or control(command) '-' or '+' or control-mousewheel.
Original patch by Lita Cho.
-_ Issue #21597: The separator between the turtledemo text pane and the drawing
+- Issue #21597: The separator between the turtledemo text pane and the drawing
canvas can now be grabbed and dragged with a mouse. The code text pane can
be widened to easily view or copy the full width of the text. The canvas
can be widened on small screens. Original patches by Jan Kanis and Lita Cho.