v.net-enhancing ddocumentation for v.net - fixing typo

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@53390 15284696-431f-4ddb-bdfa-cd5b030d7da7

vector/v.net/v.net.html

@@ -12,7 +12,7 @@ the lines must be connected by shared vertices where real connections exist.
 In GRASS you also can add nodes to the network. These are specially 
 designated vertices used for analyzing network properties or computing 
 cost/distance measures. That is, not all vertices are treated as nodes by
-default. Only <em><a href="v.net.path.html">v.net.path</a></em> can use a network without nodes, they are reqired 
+default. Only <em><a href="v.net.path.html">v.net.path</a></em> can use a network without nodes, they are required 
 for all the other network modules. In GRASS, network arcs are stored in one 
 data layer (normally layer 1) and nodes are stored in a different data layer 
 (normally layer 2).