Index: trunk/doc/TRBS/trbs.html
===================================================================
--- trunk/doc/TRBS/trbs.html	(revision 540)
+++ trunk/doc/TRBS/trbs.html	(revision 541)
@@ -120,7 +120,7 @@
 	     than required by the current 2net's routing style
 	<li> there's no straight-line visibility from the current edge to the target
 	     edge or target vertex within the triangle (it is blocked by a 2net
-	     placed earlier); visibility is calucated as described below, in
+	     placed earlier); visibility is calculated as described below, in
 	     section V.
 </ul>
 <p>