[PATCH -perfbook 2/2] defer/whichtochoose: Fix trivial typos

[Akira Yokosawa <akiyks@gmail.com>]

Signed-off-by: Akira Yokosawa <akiyks@gmail.com>
---
 defer/whichtochoose.tex | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/defer/whichtochoose.tex b/defer/whichtochoose.tex
index 95b355a1c471..489299a7ae02 100644
--- a/defer/whichtochoose.tex
+++ b/defer/whichtochoose.tex
@@ -83,7 +83,7 @@ techniques from one another.
 The ``Readers'' row summarizes the results presented in
 \cref{fig:defer:Pre-BSD Routing Table Protected by RCU QSBR},
 which shows that all but \IXalt{reference counting}{reference count}
-are enjoy reasonably fast and scalable readers.
+enjoy reasonably fast and scalable readers.
 
 The ``Number of Protected Objects'' row evaluates each technique's need
 for external storage with which to record reader protection.
@@ -336,7 +336,7 @@ has a \IXalth{bounded wait-free}{bounded}{wait free}
 it can carry out a finite traversal by executing a bounded number of
 instructions.
 
-The ``Reader Reference Acquisition'' rows indicates that only RCU is
+The ``Reader Reference Acquisition'' row indicates that only RCU is
 capable of unconditionally acquiring references.
 The entry for sequence locks is ``Unsafe'' because, again, sequence locks
 detect updates rather than acquiring references.
-- 
2.25.1