updated docs

docs/docs/index.xml

@@ -161,7 +161,8 @@
 
             <li><b>Image Processing</b>
                <ul>
-                  <li>Windows BMP <a href="imaging.html#load_bmp">read</a> and <a href="imaging.html#save_bmp">write</a> support</li>
+                  <li>Routines for <a href="imaging.html#load_image">reading</a> and 
+                  <a href="imaging.html#save_bmp">writing</a> common image formats.  </li>
                   <li>Automatic color space conversion between various pixel types</li>  
                   <li>Common image operations such as edge finding and morphological operations</li>
                   <li>Implementations of the <a href="imaging.html#get_surf_points">SURF</a>