[PATCH v2] Documentation: Fix grammatical error in sysctl/fs.txt & clarify negative dentry

[Waiman Long]

Fix a grammatical error in the dentry-state text and clarify the usage
of negative dentries.

Fixes: af0c9af1b3f66 ("fs/dcache: Track & report number of negative dentries")

Signed-off-by: Waiman Long <longman@xxxxxxxxxx>
---
 Documentation/sysctl/fs.txt | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Documentation/sysctl/fs.txt b/Documentation/sysctl/fs.txt
index 58649bd..ebc679b 100644
--- a/Documentation/sysctl/fs.txt
+++ b/Documentation/sysctl/fs.txt
@@ -80,7 +80,9 @@ nonzero when shrink_dcache_pages() has been called and the
 dcache isn't pruned yet.
 
 nr_negative shows the number of unused dentries that are also
-negative dentries which do not mapped to actual files.
+negative dentries which do not map to any files. Instead,
+they help speeding up rejection of non-existing files provided
+by the users.
 
 ==============================================================
 
-- 
1.8.3.1