Doc: Fix missing whitespaces in RCU documentation.

Trivial fix while reading through the RCU docs.

Reviewed-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>

Signed-off-by: Jesper Dangaard Brouer <hawk@comx.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 1 deletions

diff --git a/Documentation/RCU/rcu.txt b/Documentation/RCU/rcu.txt
index 95821a29ae41..7aa2002ade77 100644
--- a/Documentation/RCU/rcu.txt
+++ b/Documentation/RCU/rcu.txt
@@ -81,7 +81,7 @@ o	I hear that RCU needs work in order to support realtime kernels?
         This work is largely completed.  Realtime-friendly RCU can be
         enabled via the CONFIG_PREEMPT_RCU kernel configuration parameter.
         However, work is in progress for enabling priority boosting of
-        preempted RCU read-side critical sections.This is needed if you
+        preempted RCU read-side critical sections.  This is needed if you
         have CPU-bound realtime threads.
 
 o       Where can I find more information on RCU?