diff --git a/data/settings.js b/data/settings.js
index 2488a26e2..90589b14b 100644
--- a/data/settings.js
+++ b/data/settings.js
@@ -8274,12 +8274,18 @@ example \`mailboxes\` with [[link,dbox]].`
 	mail_volatile_path: {
 		tags: [ 'mail-location' ],
 		values: setting_types.STRING,
+		changed: {
+			settings_mail_volatile_path_changed: `Fixed behavior to avoid collisions across multiple namespaces.`,
+		},
 		text: `
 Specifies the location of volatile files. This includes lock files and
 potentially other files that don't need to exist permanently, so it can point
 to an in-memory filesystem (\`tmpfs\`). This is especially useful to avoid
 creating lock files to NFS or other remote filesystems.
 
+This setting can be shared between multiple namespaces. Dovecot makes the
+filenames unique for each namespace to avoid collisions.
+
 [[variable,mail-user]] and \`~/\` can be used.`
 	},
 
diff --git a/data/updates.js b/data/updates.js
index a4b0ca604..355eda9ec 100644
--- a/data/updates.js
+++ b/data/updates.js
@@ -162,6 +162,7 @@ export const updates = {
 	settings_mail_cache_max_headers_count_added: '2.4.0',
 	settings_mail_cache_max_header_name_length_added: '2.4.0',
 	settings_mail_lua_added: '2.4.0',
+	settings_mail_volatile_path_changed: '2.4.5',
 	settings_mailbox_defaults_english_changed: '2.4.3',
 	settings_mailbox_directory_name_legacy_deprecated: '2.4.2',
 	settings_mailbox_special_use_changed: '2.4.0',