cosmetics

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@45370 15284696-431f-4ddb-bdfa-cd5b030d7da7

gui/wxpython/docs/wxGUI.Vector_Digitizer.html

@@ -162,13 +162,13 @@ vector map" button in the "Additional Tools" menu on the Digitzer Toolbar.
 	supported.</li>
       <li>Connect two selected lines/boundaries<br> Connect selected
 	lines or boundaries, the first given line is connected to the
-	second one. The second line is broken if necessary. The lines
-	are connected only if distance between them is not greater
+	second one. The second line is broken if necessary on each intersection.
+	The lines are connected only if distance between them is not greater
 	than snapping threshold value.</li>
-      <li>Query tool<br>Select vector features by min/max length value
-      (linear features or dangles).</li>
-      <li>Z-bulk labeling of 3D lines<br> Assign z coordinate to 3D
-	vector lines in bounding box.</li>
+      <li>Query tool<br>Select vector features by defining a threshold for
+        min/max length value (linear features or dangles).</li>
+      <li>Z-bulk labeling of 3D lines<br> Assign z coordinate values to 3D
+	vector lines in bounding box. This is useful for labeling contour lines.</li>
       <li>Feature type conversion<br> Change feature type of selected
 	geometry features. Points are converted to centroids,
 	centroids to points, lines to boundaries and boundaries to