r.in.png: minor fix in manual

	  add keyword (png)


git-svn-id: https://svn.osgeo.org/grass/grass/trunk@51204 15284696-431f-4ddb-bdfa-cd5b030d7da7

raster/r.in.png/main.c

@@ -518,6 +518,7 @@ int main(int argc, char *argv[])
     module = G_define_module();
     G_add_keyword(_("raster"));
     G_add_keyword(_("import"));
+    G_add_keyword("png");
     module->description = _("Imports non-georeferenced PNG format image.");
 
     inopt = G_define_standard_option(G_OPT_F_INPUT);

raster/r.in.png/r.in.png.html

@@ -6,14 +6,14 @@
 
 <em>
 <a href="r.out.gdal.html">r.in.gdal</a>,
-<a href="r.out.tiff.html">r.out.png</a>,
+<a href="r.out.png.html">r.out.png</a>
 </em>
 
-
 <h2>AUTHORS</h2>
 
-Michael Shapiro
-Alex Shevlakov
+Michael Shapiro<br>
+Alex Shevlakov<br>
 Glynn Clements
 
-<p><i>Last changed: $Date$</i>
+<p>
+<i>Last changed: $Date$</i>