manual: typos fixed; mention v.decimate

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@70453 15284696-431f-4ddb-bdfa-cd5b030d7da7

imagery/i.modis.qc/i.modis.qc.html

@@ -500,7 +500,7 @@ standard QC (MOD09A1 in this module) since version 3, State-QA 500m images
 MOD11A2 quality control (QC) bands do not have a FillValue (No-data) according 
 to <a href="https://lpdaac.usgs.gov/dataset_discovery/modis/modis_products_table/mod11a2_v006">MODIS Land Products site</a>. 
 However, the metadata of the QC bands (i.e.: <tt>gdalinfo QC_band</tt>) shows <tt>No-data=0</tt>. 
-This value is then transformed into GRASS NULLs when data is imported though 
+This value is then transformed into GRASS NULLs when data is imported through 
 <a href="r.in.gdal.html">r.in.gdal</a>. Applying <em>i.modis.qc</em> on those QC bands
 will not give the expected range of values in the different QC bits. Therefore, 
 before using <em>i.modis.qc</em>, the user needs to set the NULL value in QC bands 

temporal/t.rast.algebra/t.rast.algebra.html

@@ -32,7 +32,7 @@ additionally evaluate the spatial topology based on the spatial extents of maps.
 <p>
 The expression option must be passed as <b>quoted</b>
 expression, for example: <br>
-<div class="code"><pre>t.rast.mapcalc2 expression="C = A + B" basename=result</pre></div>
+<div class="code"><pre>t.rast.algebra expression="C = A + B" basename=result</pre></div>
 Where <b>C</b> is the new space time raster dataset that will contain maps
 with the basename "result" that represent the sum of maps from STRDS <b>A</b> and
 equally temporal related maps from STRDS <b>B</b>.

vector/vectorintro.html

@@ -368,7 +368,9 @@ edges.  The resulting data are post-processed with
 <a href="v.lidar.correction.html">v.lidar.correction</a>. Finally, the
 DTM and DSM are generated with <a href="v.surf.bspline.html">v.surf.bspline</a>
 (DTM: uses the 'v.lidar.correction' output; DSM: uses last return output
-from outlier detection).
+from outlier detection).<br>
+In addition, <a href="v.decimate.html">v.decimate</a> can be used to decimates
+a point cloud.
 
 <h3>See also</h3>