r.stream.distance: Fix typos in the manual

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@61188 15284696-431f-4ddb-bdfa-cd5b030d7da7

raster/r.stream.distance/r.stream.distance.html

@@ -84,11 +84,11 @@ any raster cell to the nearest stream cell / junction cell or outlet or
 <b>upstream</b> from any cell upstream to the nearest maximum or divide.</dd>
 
 <dt><b>difference</b></dt>
-<dd>Name of output map of elevation difference to the targer (outlet, node, 
+<dd>Name of output map of elevation difference to the target (outlet, node, 
 stream, divide, maximum) along watercoures. The map is of FCELL type.</dd>
 
 <dt><b>distance</b></dt>
-<dd>Name of output map of distance to the targer (outlet, node, stream, 
+<dd>Name of output map of distance to the target (outlet, node, stream, 
 divide, maximum) along watercoures. The map is of FCELL type.</dd>
 </dl>