local_t: update documentation

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Cc: Grant Grundler <grundler@parisc-linux.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/Documentation/local_ops.txt b/Documentation/local_ops.txt
index a134a56..4269a11 100644
--- a/Documentation/local_ops.txt
+++ b/Documentation/local_ops.txt
@@ -27,7 +27,7 @@
 CPU writes to the local_t data. This is done by using per cpu data and making
 sure that we modify it from within a preemption safe context. It is however
 permitted to read local_t data from any CPU : it will then appear to be written
-out of order wrt other memory writes on the owner CPU.
+out of order wrt other memory writes by the owner CPU.
 
 
 * Implementation for a given architecture