r.in.gdal: re-phrase num_digits description further

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@68492 15284696-431f-4ddb-bdfa-cd5b030d7da7

raster/r.in.gdal/main.c

@@ -147,7 +147,7 @@ int main(int argc, char *argv[])
     parm.num_digits->type = TYPE_INTEGER;
     parm.num_digits->required = NO;
     parm.num_digits->answer = "0";
-    parm.num_digits->label = _("Zero-padding of band number by adding given number of leading zeros");
+    parm.num_digits->label = _("Zero-padding of band number by filling with leading zeros up to given number");
     parm.num_digits->description = _("If 0, length will be adjusted to 'offset' number without leading zeros");
     parm.num_digits->guisection = _("Metadata");