f2fs: fix inconsistent comments

Lack of maintenance on comments may mislead developers, fix them.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
diff --git a/fs/f2fs/shrinker.c b/fs/f2fs/shrinker.c
index a467aca..d66de599 100644
--- a/fs/f2fs/shrinker.c
+++ b/fs/f2fs/shrinker.c
@@ -58,7 +58,7 @@ unsigned long f2fs_shrink_count(struct shrinker *shrink,
 		/* count extent cache entries */
 		count += __count_extent_cache(sbi);
 
-		/* shrink clean nat cache entries */
+		/* count clean nat cache entries */
 		count += __count_nat_entries(sbi);
 
 		/* count free nids cache entries */