Improve wording

VL1.tex

@@ -615,7 +615,7 @@ Haskell is very powerful and can be used for pretty much anything. However, ther
 
 \begin{frame}
 \frametitle{Toolchain}
-You need:
+How to get started? You need:
 \begin{itemize}
 \item \textbf{GHC}: this is the Haskell compiler
 \item \textbf{GHCi}: this an interactive environment of GHC, similar to the interactive ruby shell \emph{irb}