Fix typos.

doc/nextml2015/presentation.tex

@@ -1009,9 +1009,9 @@ result, updates = theano.scan(
 \begin{frame}
   \frametitle{Recurrent Neural Network Overview}
 \begin{itemize}
-\item RNN is a class of neural network that allow to work with sequence of variable sizes.
-\item It do so, by reusing weights at each element of the sequence.
-\item It create an internal state that allow to exhibit dynamic temporal behavior.
+\item RNN is a class of neural network that allows to work with sequences of variable sizes.
+\item It does so, by reusing weights for each element of the sequence.
+\item It creates an internal state that allows to exhibit dynamic temporal behavior.
 \end{itemize}
 %\includegraphics[width=0.35\textwidth]{../images/File_Elman_srnn.png} TODO
 \end{frame}