doc: cgroups: Fix typo in doc/cgroups

Correct spelling typo in memory.txt and
resource_counter.txt

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>

Documentation/cgroups/memory.txt

@@ -577,7 +577,7 @@ Each memcg's numa_stat file includes "total", "file", "anon" and "unevictable"
 per-node page counts including "hierarchical_<counter>" which sums up all
 hierarchical children's values in addition to the memcg's own value.
 
-The ouput format of memory.numa_stat is:
+The output format of memory.numa_stat is:
 
 total=<total pages> N0=<node 0 pages> N1=<node 1 pages> ...
 file=<total file pages> N0=<node 0 pages> N1=<node 1 pages> ...
@@ -670,7 +670,7 @@ page tables.
 
 8.1 Interface
 
-This feature is disabled by default. It can be enabledi (and disabled again) by
+This feature is disabled by default. It can be enabled (and disabled again) by
 writing to memory.move_charge_at_immigrate of the destination cgroup.
 
 If you want to enable it:

Documentation/cgroups/resource_counter.txt

@@ -97,8 +97,8 @@ to work with it.
 		(struct res_counter *rc, struct res_counter *top,
 		 unsinged long val)
 
-	Almost same as res_cunter_uncharge() but propagation of uncharge
-	stops when rc == top. This is useful when kill a res_coutner in
+	Almost same as res_counter_uncharge() but propagation of uncharge
+	stops when rc == top. This is useful when kill a res_counter in
 	child cgroup.
 
  2.1 Other accounting routines