convert INABIAF headers in README.md to a Jargon File quote

We introduce a bit of fun, while specifying that something
is "supposed to happen".

NOTE: There is no need to change the INABIAF STATUS.  The use
there is perfectly fine.

1992/kivinen/README.md

@@ -44,12 +44,17 @@ For more detailed information see [1992 kivinen in bugs.md](/bugs.md#1992-kivine
 
 See also the author's remarks for other variations.
 
-### INABIAF - it's not a bug it's a feature! :-)
-
 In modern systems a known issue is that when you start the game everything
 starts to move to the right of the game window but if you click on the window it
 moves back to where it should be.
 
+This is supposed to happen.  As is written in the
+[The Jargon File](http://catb.org/jargon/html/F/feature.html):
+
+```
+That's not a bug, that's a feature.
+```
+
 
 ## Judges' remarks: