[PATCH 2/7] future/tm: Add introduction of TM-availabe options for locking

'Locking' section provides TM-available options without any introduction
of it, unlike other sections.  Add it.

Signed-off-by: SeongJae Park <[email protected]>
---
 future/tm.tex | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/future/tm.tex b/future/tm.tex
index 1de900b8..8b8efa98 100644
--- a/future/tm.tex
+++ b/future/tm.tex
@@ -775,6 +775,8 @@ programs containing small amounts of locking, they are often completely
 unacceptable for production-quality lock-based programs wishing to use
 the occasional transaction.
 
+Here are some options available to TM:
+
 \begin{enumerate}
 \item	Use only locking-friendly TM implementations~\cite{DaveDice2006DISC}.
 	Unfortunately, the locking-unfriendly implementations have some
-- 
2.17.1