documentation: tiering typo

Signed-off-by: Loic Dachary <loic-201408@dachary.org>

diff --git a/doc/dev/cache-pool.rst b/doc/dev/cache-pool.rst
index b54fe519aba034fb70a08031489220c8aa924480..f44cbd99ac4a8db84bdbee5d1e9a09e5d42fc598 100644 (file)
--- a/doc/dev/cache-pool.rst
+++ b/doc/dev/cache-pool.rst
@@ -8,7 +8,7 @@ Use a pool of fast storage devices (probably SSDs) and use it as a
 cache for an existing larger pool.
 
 Use a replicated pool as a front-end to service most I/O, and destage
-cold data to a separate erasure coded pool that does not current (and
+cold data to a separate erasure coded pool that does not currently (and
 cannot efficiently) handle the workload.
 
 We should be able to create and add a cache pool to an existing pool