[PATCH] docs: lockdep-design: correct the notation for writer

[Xiongwei Song]

From: Xiongwei Song <sxwjean@xxxxxxxxx>

The block condition matrix is using 'E' as the writer noation here, so it
would be better to use 'E' as the reminder rather than 'W'.

Signed-off-by: Xiongwei Song <sxwjean@xxxxxxxxx>
---
 Documentation/locking/lockdep-design.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/locking/lockdep-design.rst b/Documentation/locking/lockdep-design.rst
index 9f3cfca..c3b923a 100644
--- a/Documentation/locking/lockdep-design.rst
+++ b/Documentation/locking/lockdep-design.rst
@@ -462,7 +462,7 @@ Block condition matrix, Y means the row blocks the column, and N means otherwise
 	| R | Y | Y | N |
 	+---+---+---+---+
 
-	(W: writers, r: non-recursive readers, R: recursive readers)
+	(E: writers, r: non-recursive readers, R: recursive readers)
 
 
 acquired recursively. Unlike non-recursive read locks, recursive read locks
-- 
2.7.4