diff --git a/archivemail.1 b/archivemail.1
index e63d326..1c037d5 100644
--- a/archivemail.1
+++ b/archivemail.1
@@ -204,6 +204,13 @@ information.
 \fB    --delete\fR
 Delete rather than archive old mail. Use this option with caution!
 .TP
+\fB    --copy\fR
+Copy rather than archive old mail. 
+Creates an archive, but the archived messages are not deleted from the
+originating mailbox, which is left unchanged.
+This is a complement to the \fB--delete\fR option, and mainly useful for
+testing purposes. 
+.TP
 \fB    --include-flagged\fR
 Normally messages that are flagged important are not archived or deleted. If
 you specify this option, these messages can be archived or deleted just like
diff --git a/archivemail.sgml b/archivemail.sgml
index 065a5f3..c2124ca 100644
--- a/archivemail.sgml
+++ b/archivemail.sgml
@@ -292,6 +292,19 @@ Delete rather than archive old mail. Use this option with caution!
 </Para></ListItem>
 </VarListEntry>
 
+<VarListEntry>
+<Term>
+    <Option>--copy</Option>
+</Term>
+<ListItem><Para>
+Copy rather than archive old mail. 
+Creates an archive, but the archived messages are not deleted from the
+originating mailbox, which is left unchanged.
+This is a complement to the <option/--delete/ option, and mainly useful for
+testing purposes. 
+</Para></ListItem>
+</VarListEntry>
+
 <VarListEntry>
 <Term>
     <Option>--include-flagged</Option>