Index: /trunk/BNC/bnchelp.html
===================================================================
--- /trunk/BNC/bnchelp.html	(revision 2571)
+++ /trunk/BNC/bnchelp.html	(revision 2572)
@@ -1514,5 +1514,5 @@
 - Phase wind up: horizontal and vertical effect = a few mm<br>
 - Earth tides: horizontal effect: a few cm, vertical effect: a few dm<br>
-- Earth’s rotation: horizontal effect = a few cm<br>
+- Earth rotation: horizontal effect = a few cm<br>
 - Atmospheric, hydrological, and ocean loading: vertical effect = up to 5 cm<br>
 - Offset of ground antenna: horizontal effect = a few mm, vertical effect:  up to 5 cm<br>