Merge pull request #722 from dwf/acknowl_fix

doc/acknowledgement.txt

 .. _acknowledgement:
 
 
-Acknowledgement
-===============
+Acknowledgements
+================
 
 .. note:
 
    This page is in construction. We are missing sources.
 
 
-* The developer of `NumPy <http://numpy.scipy.org/>`_. Theano is based on its ndarray object and use many of its implementation.
-* The developer of `Scipy <http://scipy.org/>`_. Our sparse matrix use there sparse matrix. We also reused other part.
-* All Theano authors in the commits log.
-* Al Theano user that gived us feed back.
+* The developers of `NumPy <http://numpy.scipy.org/>`_. Theano is based on its ndarray object and uses much of its implementation.
+* The developers of `SciPy <http://scipy.org/>`_. Our sparse matrix support uses their sparse matrix objects. We also reuse other parts.
+* All Theano authors in the commit log.
+* All Theano users that have given us feedback.
 * The GPU implementation of tensordot is based on code from Tijmen
   Tieleman's `gnumpy <http://www.cs.toronto.edu/~tijmen/gnumpy.html>`_
 * The original version of the function ``cpuCount()`` in the file
-  theano/misc/cpucount.py come from the project `pyprocessing
-  <http://pyprocessing.berlios.de/>`_. It is under the same license as
-  Theano.
+  `theano/misc/cpucount.py` come from the project `pyprocessing
+  <http://pyprocessing.berlios.de/>`_. It is available under the same license
+  as Theano.