Changed title of section.

docs/source/screencasts.rst

@@ -1,8 +1,8 @@
 .. _screencasts:
 
-***********
-Screencasts
-***********
+********************
+Screencasts & videos
+********************
 
 This section provides links to screencasts and videos that explain how to install gprMax, demonstrate some of its key features, and give example models showing applications.
 
@@ -11,8 +11,8 @@ Installation
 
 * `How to install gprMax for end users on Microsoft Windows <https://youtu.be/dvC0_7qFVbE>`_ -- Needs updating for new unified installation procedure (30/05/2016)
 
-Visualising EM wave propagation
--------------------------------
+Visualise EM wave propagation
+-----------------------------
 
 You can use the ``#snapshot`` command and Paraview to visualise how electromagnetic waves propagate in a simulation.