REQUIREMENTS.html: cosmetics

git-svn-id: https://svn.osgeo.org/grass/grass/branches/releasebranch_7_0@64816 15284696-431f-4ddb-bdfa-cd5b030d7da7

REQUIREMENTS.html

@@ -75,15 +75,15 @@ for i.fft and i.ifft and other modules<br>
 <a href="http://www.fftw.org">http://www.fftw.org</a>
 </li>
 
-<li><b>GEOS</b> (Geometry Engine library), adds extended options to the v.select module<br>
+<li><b>GEOS</b> (Geometry Engine library), needed for v.buffer and adds extended options
+to the v.select module<br>
 <a href="http://trac.osgeo.org/geos">http://trac.osgeo.org/geos</a>
 </li>
 
 <li><b>LAPACK / BLAS</b> (libraries for numerical computing) for GMATH library (GRASS Numerical Library)<br>
 <a href="http://www.netlib.org/lapack">http://www.netlib.org/lapack</a> (usually available on Linux distros)
 <br>
-<i>Note:</i> LAPACK/BLAS support is intended for future module
-implementations, no need to use it at time!
+<i>Note:</i> LAPACK/BLAS support is at time only needed for selected Addons
 
 <li><b>NetCDF</b> (for 3D raster netcdf export)<br>
 <a href="http://www.unidata.ucar.edu/software/netcdf/">http://www.unidata.ucar.edu/software/netcdf/</a>