[PATCH 3/7] future/tm: Consistently add dash between reader and writer of reader-writer lock

The text is using 'reader-writer lock' consistently, but a sentence in
tm.tex is missing the dash.  Add it.

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

diff --git a/future/tm.tex b/future/tm.tex
index 8b8efa98..db08bcc6 100644
--- a/future/tm.tex
+++ b/future/tm.tex
@@ -864,7 +864,7 @@ Here are some options available to TM:
 \item	Use TM strictly as an optimization in lock-based systems, as was
 	done by the TxLinux~\cite{ChistopherJRossbach2007a} group,
 	and as has been done by more recent work using TM to elide
-	reader writer locks~\cite{PascalFelber2016rwlockElision}.
+	reader-writer locks~\cite{PascalFelber2016rwlockElision}.
 	This approach seems sound, at least on \Power{8}
 	CPUs~\cite{Le:2015:TMS:3266491.3266500}, but leaves the locking
 	design constraints (such as the need to avoid deadlock) firmly
-- 
2.17.1