diff --git a/README.md b/README.md
index bc5c29d38..7eaa9737e 100644
--- a/README.md
+++ b/README.md
@@ -739,6 +739,8 @@ example: db-path=/data/db
* Fixed an issue where archive-copy would fail on an incr/diff backup when hardlink=n. In this case the pg_xlog path does not already exist and must be created. Reported by Michael Renner
+* Allow duplicate WAL segments to be archived when the checksum matches. This is necessary for some recovery scenarios.
+
* Allow comments/disabling in pg_backrest.conf using #. Suggested by Michael Renner.
* Better logging before pg_start_backup() to make it clear when the backup is waiting on a checkpoint. Suggested by Michael Renner.
diff --git a/doc/doc.xml b/doc/doc.xml
index f8b2f0922..2eecd20a6 100644
--- a/doc/doc.xml
+++ b/doc/doc.xml
@@ -692,6 +692,9 @@ Run a full backup on the db stanza. --type can
Fixed an issue where archive-copy would fail on an incr/diff backup when hardlink=n. In this case the pg_xlog path does not already exist and must be created. Reported by Michael Renner
+
+ Allow duplicate WAL segments to be archived when the checksum matches. This is necessary for some recovery scenarios.
+
Allow comments/disabling in pg_backrest.conf using #. Suggested by Michael Renner.