Updated z sled and bridge segments.

docs/assembly/index.html

@@ -277,7 +277,7 @@ UL {
 <table><tr><td class="befor"><img src="final_assembly_8_before.png"></td><td class="arrow"><img src="arrow.png"></td><td class="after"><img src="final_assembly_8_after.png"></td></tr></table>
 </li>
 <li class="step"><h3>Step 9</h3>
-<div class="desc">Clip the glass build platform to the build platform supports using four binder clips.</div>
+<div class="desc">Lower the glass build platform into the support corner clips on the Y sled.  You should be able to carefully work the clips around the glass plate's corners.</div>
 <table><tr><td class="befor"><img src="final_assembly_9_before.png"></td><td class="arrow"><img src="arrow.png"></td><td class="after"><img src="final_assembly_9_after.png"></td></tr></table>
 </li>
 <li class="step"><h3>Step 10</h3>