fix typos concerning "acquire"

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/include/linux/lru_cache.h b/include/linux/lru_cache.h
index de48d16..78fbf24 100644
--- a/include/linux/lru_cache.h
+++ b/include/linux/lru_cache.h
@@ -262,7 +262,7 @@
  * @lc: the lru cache to operate on
  *
  * Note that the reference counts and order on the active and lru lists may
- * still change.  Returns true if we aquired the lock.
+ * still change.  Returns true if we acquired the lock.
  */
 static inline int lc_try_lock(struct lru_cache *lc)
 {