DOC: Fix typo in readme

README.rst

@@ -57,7 +57,7 @@ Some extra dependencies are listed in `requirements.txt
   class has some methods which use ``trimesh`` to perform geometric queries
   on the mesh.
 
-- ``Pillow``: The `fsl.data.bitmap.Bitmap <fsl/data/bitmap.py`_ class uses
+- ``Pillow``: The `fsl.data.bitmap.Bitmap <fsl/data/bitmap.py>`_ class uses
   ``Pillow`` to load image files.