d.northarrow: fix typo in the manual, simplify 'Author' section

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@57728 15284696-431f-4ddb-bdfa-cd5b030d7da7

display/d.northarrow/d.northarrow.html

@@ -2,7 +2,7 @@
  
 <em>d.northarrow</em> displays a north arrow symbol the graphics monitor at
 the given screen coordinates. If no coordinates are given it will draw the
-barscale in the bottom right of the display. It can draw the north arrow
+north arrow in the bottom right of the display. It can draw the north arrow
 in a number of styles (see the
  <a href="http://grasswiki.osgeo.org/wiki/Cartography#Display_monitors">wiki
 page</a> for details).
@@ -20,10 +20,7 @@ page</a> for details).
 
 <h2>AUTHOR</h2>
 
-Hamish Bowman<br> <i>
-Department of Geology<br>
-University of Otago<br>
-New Zealand</i><br>
+Hamish Bowman, <i>Department of Geology, University of Otago, New Zealand</i>
 
 <p>
 <i>Last changed: $Date$</i>