Fixed the word "aren't" to "isn't" based on singular word "bufferage".

Signed-off-by: Dennis Lam <dennis.lamerice@gmail.com>
---
 Documentation/filesystems/netfs_library.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/filesystems/netfs_library.rst b/Documentation/filesystems/netfs_library.rst
index 4cc657d743f7..f0d2cb257bb8 100644
--- a/Documentation/filesystems/netfs_library.rst
+++ b/Documentation/filesystems/netfs_library.rst
@@ -116,7 +116,7 @@ The following services are provided:
  * Handle local caching, allowing cached data and server-read data to be
    interleaved for a single request.
 
- * Handle clearing of bufferage that aren't on the server.
+ * Handle clearing of bufferage that isn't on the server.
 
  * Handle retrying of reads that failed, switching reads from the cache to the
    server as necessary.
-- 
2.46.0