Add some more changes to config spec docs
-Patch-base analysis
+Patch-based analysis
===================
NiftyNet is designed to facilitate patch-based medical image analysis.
@@ -218,5 +218,3 @@ accept array values up to three elements.
For multi-channel input images with sizes such as ``height x width x depth x
num_modalities``, the shape of the windows will be
``window height x window width x window depth x num_modalities``.
-
-
