Index: index.html
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--- index.html	(revision 15432)
+++ index.html	(revision 15433)
@@ -71,7 +71,7 @@
 There is a <a href="https://archive.org/details/pcb-rnd-xy-origin-sq">video tutorial</a> available on steps 4..8.
 <p>
 Note 1: the mark is not explicitly visible in the XY file. It is not explicitly
-passed to the P&amp;P fab. Instead, all element coordinates are calculated considering
+passed to the P&amp;P fab. Instead, all subcircuit coordinates are calculated considering
 the mark's center as 0;0.
 <p>
 Note 2: still, the mark is not hidden or suppressed by pcb-rnd from any