Reformatted the credit

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@58080 15284696-431f-4ddb-bdfa-cd5b030d7da7

raster/r.topidx/r.topidx.html

@@ -28,10 +28,10 @@ modeling: A review of hydrological, geomorphological, and biological
 applications. Hydrol. Processes 5:3-30.
 
 <h2>AUTHORS</h2>
-Main algorithm sources are rewritten from GRIDATB.FOR.
-<br>
-Thanks to Keith Beven.
-<p>GRASS port by <a href="mailto:grass4u@gmail com">Huidae Cho</a><br>
+
+<a href="mailto:grass4u@gmail com">Huidae Cho</a><br>
 Hydro Laboratory, Kyungpook National University, South Korea
+<p>
+Based on GRIDATB.FOR by Keith Beven.
 
 <p><i>Last changed: $Date$</i>