doc: rename our Xapian "partitions" to "shards"

For consistency with Xapian documentation (in the "master"
branch).

1 files changed, 5 insertions, 6 deletions

diff --git a/Documentation/public-inbox-xcpdb.pod b/Documentation/public-inbox-xcpdb.pod
index fd8770a4..a13c4efa 100644
--- a/Documentation/public-inbox-xcpdb.pod
+++ b/Documentation/public-inbox-xcpdb.pod
@@ -21,7 +21,7 @@ L<public-inbox-watch(1)> or L<public-inbox-mda(1)>.
 =item --compact
 
 In addition to performing the copy operation, run L<xapian-compact(1)>
-on each Xapian partition after copying but before finalizing it.
+on each Xapian shard after copying but before finalizing it.
 Compared to the cost of copying a Xapian database, compacting a
 Xapian database takes only around 5% of the time required to copy.
 
@@ -32,14 +32,13 @@ the compaction to take hours at-a-time.
 
 =item --reshard=N / -R N
 
-Repartition the Xapian database on a L<v2|public-inbox-v2-format(5)>
-inbox to C<N> partitions.  Since L<xapian-compact(1)> is not suitable
-for merging, users can rely on this switch to repartition the
+Reshard the Xapian database on a L<v2|public-inbox-v2-format(5)>
+inbox to C<N> shards .  Since L<xapian-compact(1)> is not suitable
+for merging, users can rely on this switch to reshard the
 existing Xapian database(s) to any positive value of C<N>.
 
 This is useful in case the Xapian DB was created with too few or
-too many partitions given the capabilities of the current
-hardware.
+too many shards given the capabilities of the current hardware.
 
 =item --blocksize / --no-full / --fuller