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.

2001/schweikh/README.md

@@ -29,8 +29,6 @@ For more detailed information see [2001 schweikh in bugs.md](/bugs.md#2001-schwe
 ./schweikh string string2
 ```
 
-### INABIAF - it's not a bug it's a feature! :-)
-
 This program will very likely crash or do something else if you do not give it
 two args.
 
@@ -39,6 +37,13 @@ comments for details and a workaround.
 
 There's also no way to escape meta characters.
 
+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.
+```
+
 
 ### Try: