Doc: treewide: Fix grammar "a" to "an"
This patch fix some grammar mistake.
Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
diff --git a/Documentation/filesystems/sharedsubtree.txt b/Documentation/filesystems/sharedsubtree.txt
index 32a173d..e3f4c77 100644
--- a/Documentation/filesystems/sharedsubtree.txt
+++ b/Documentation/filesystems/sharedsubtree.txt
@@ -664,7 +664,7 @@
if one rbind mounts a tree within the same subtree 'n' times
the number of mounts created is an exponential function of 'n'.
Having unbindable mount can help prune the unneeded bind
- mounts. Here is a example.
+ mounts. Here is an example.
step 1:
let's say the root tree has just two directories with