Hi, I spotted a typo in www/68.html and this patch will fix it.
Index: 68.html =================================================================== RCS file: /cvs/www/68.html,v retrieving revision 1.85 diff -u -r1.85 68.html --- 68.html 3 Jan 2021 14:19:20 -0000 1.85 +++ 68.html 14 Jan 2021 23:14:45 -0000 @@ -925,7 +925,7 @@ <p> To install, write <i>install68.img</i> or <i>miniroot68.img</i> to a -USB stick, plug it into the machine and coose the <i>OpenBSD +USB stick, plug it into the machine and choose the <i>OpenBSD install</i> menu item in Petitboot. Refer to the instructions in INSTALL.powerpc64 for more details.