xfs-doc: Fix typo error

Online fsck may take longer than offline fsck...

Signed-off-by: Gou Hao <gouhao@uniontech.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Message-ID: <20251105013506.358-1-gouhao@uniontech.com>

Author: gouhao2025

Documentation/filesystems/xfs/xfs-online-fsck-design.rst

@@ -249,7 +249,7 @@ sharing and lock acquisition rules as the regular filesystem.
 This means that scrub cannot take *any* shortcuts to save time, because doing
 so could lead to concurrency problems.
 In other words, online fsck is not a complete replacement for offline fsck, and
-a complete run of online fsck may take longer than online fsck.
+a complete run of online fsck may take longer than offline fsck.
 However, both of these limitations are acceptable tradeoffs to satisfy the
 different motivations of online fsck, which are to **minimize system downtime**
 and to **increase predictability of operation**.