introduction/main.tex: Retitle sec:single-molecule to Why single molecule?

Help focus readers on the point I'm trying to make in this section.

diff --git a/src/introduction/main.tex b/src/introduction/main.tex
index 2f01da2d06220eec9af6e1f51267fe925e92a023..d6dae297c3c0e134a162bb28ff8bd8a28a1d08ee 100644 (file)
--- a/src/introduction/main.tex
+++ b/src/introduction/main.tex
@@ -126,7 +126,7 @@ throughput and increased automation it should be easier to make such
 distinctions in the near future.
 
 
-\section{Single molecule protein folding studies}
+\section{Why \emph{single} molecule?}
 \label{sec:single-molecule}
 
 The large size of proteins relative to simpler molecules limits the