change HTML strike to del

2020/burton/index.html

@@ -191,7 +191,7 @@ transformation occurs.</p>
 code to be compiled for either LE (little-endian) or BE (big-endian)
 machines(!!), so they are truly configuration parameters, not logic.</p>
 <h3 id="notes">Notes:</h3>
-<p>One <strike>ping</strike> argument only. It will segfault on zero arguments, and
+<p>One <del>ping</del> argument only. It will segfault on zero arguments, and
 display strange results with more than one argument.</p>
 <p>Small, non-negative integers only. Useful range is <code>0 .. 511</code>, sorta, for LE; <code>0 .. 255</code> for BE. Bonus points if you can explain why the limits work this way.</p>
 <p>ASCII character set, 64-bit <code>long long</code>s are required.</p>