'an file' -> 'a file' grammar fix
@@ -1333,7 +1333,7 @@ Providing a maximum restart limit is only valid for the ** on-failure ** policy.
Save an image(s) to a tar archive (streamed to STDOUT by default)
- -o, --output="" Write to an file, instead of STDOUT
+ -o, --output="" Write to a file, instead of STDOUT
Produces a tarred repository to the standard output stream.
Contains all parent layers, and all tags + versions, or specified repo:tag, for
