Fix typo (I think)

Author: jsteyn

S4.tex

@@ -1,7 +1,7 @@
 \begin{frame}{Current Status}
 
 	\begin{itemize}
-		\item We used to have our own shell lesson but that has now been deprecated in favour of the Software Carpentries lesson.
+		\item We used to have our own shell lesson but that has now been deprecated in favour of the Software Carpentry lesson.
 		\item HPC Intro has been reworked
 		\item Using Amdahl executable rather than having students write and compile it
 		\item Workflow lesson developed