fixing some errors

Author: cvvergara

docs/basic/pedestrian.rst

@@ -308,7 +308,7 @@ Exercise 6: Time for many Pedestrians going to different destinations
 
 * Get only the cost in minutes.
 
-.. image:: images/chapter5/pedestrian-route5.png
+.. image:: images/chapter5/pedestrian_route5.png
   :scale: 25%
   :alt: From the hotels to the |place_4| and |place_5|
 

docs/general-intro/introduction.rst

@@ -13,7 +13,7 @@ Introduction
 |pgrouting-web| adds routing functionality to |postgis-web|.
 
 Please see the :doc:`contents <../index>` for full content of
-**@WORKSHOP_AREA@** workshop.  This workshop covers two levels for using
+@WORKSHOP_AREA@ workshop.  This workshop covers two levels for using
 pgRouting: `Basic`_ and `Advanced`_.
 
 Basic