Fix typos in Documentation/: 'S'

This patch fixes typos in various Documentation txts. The patch addresses
some words starting with the letter 'S'.

Signed-off-by: Matt LaPlante <kernel1@cyberdogtech.com>
Acked-by: Alan Cox <alan@redhat.com>
Acked-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
diff --git a/Documentation/hrtimers.txt b/Documentation/hrtimers.txt
index 1fbad1a..ce31f65 100644
--- a/Documentation/hrtimers.txt
+++ b/Documentation/hrtimers.txt
@@ -58,7 +58,7 @@
 The primary users of precision timers are user-space applications that
 utilize nanosleep, posix-timers and itimer interfaces. Also, in-kernel
 users like drivers and subsystems which require precise timed events
-(e.g. multimedia) can benefit from the availability of a seperate
+(e.g. multimedia) can benefit from the availability of a separate
 high-resolution timer subsystem as well.
 
 While this subsystem does not offer high-resolution clock sources just
@@ -68,7 +68,7 @@
 with other potential users for precise timers gives another reason to
 separate the "timeout" and "precise timer" subsystems.
 
-Another potential benefit is that such a seperation allows even more
+Another potential benefit is that such a separation allows even more
 special-purpose optimization of the existing timer wheel for the low
 resolution and low precision use cases - once the precision-sensitive
 APIs are separated from the timer wheel and are migrated over to
@@ -96,8 +96,8 @@
 a separate list is used to give the expiry code fast access to the
 queued timers, without having to walk the rbtree.
 
-(This seperate list is also useful for later when we'll introduce
-high-resolution clocks, where we need seperate pending and expired
+(This separate list is also useful for later when we'll introduce
+high-resolution clocks, where we need separate pending and expired
 queues while keeping the time-order intact.)
 
 Time-ordered enqueueing is not purely for the purposes of