diff --git a/docs/changelog.d/+1password-backup-doc-export-name.doc.md b/docs/changelog.d/+1password-backup-doc-export-name.doc.md
new file mode 100644
index 0000000..6c4d262
--- /dev/null
+++ b/docs/changelog.d/+1password-backup-doc-export-name.doc.md
@@ -0,0 +1 @@
+Fixed the export-filename step in [[run-1password-backup]]: 1Password's desktop app names the export `1PasswordExport-<account-uuid>-<timestamp>.1pux` automatically rather than letting you save to a fixed name, so the procedure now points the task at that glob instead of pretending the default name is `1Password-export.1pux`.
diff --git a/docs/how-to/operations/run-1password-backup.md b/docs/how-to/operations/run-1password-backup.md
index b0807da..0dc9ec9 100644
--- a/docs/how-to/operations/run-1password-backup.md
+++ b/docs/how-to/operations/run-1password-backup.md
@@ -26,20 +26,18 @@ How to export and encrypt your 1Password vaults for inclusion in [[borgmatic]] b
 1. Open the 1Password desktop app
 2. **File > Export > All Vaults**
 3. Choose **1PUX** format
-4. Save to `~/Documents/1Password-export.1pux`
+4. Save to `~/Documents/` — 1Password names the file `1PasswordExport-<account-uuid>-<timestamp>.1pux` automatically; don't bother renaming it, pass the path to the task in the next step
 
 ### 2. Run the Backup Task
 
-```fish
-mise run op-backup
-```
-
-Or, if you saved the export to a non-default location:
+Pass the exported file's path:
 
 ```fish
-mise run op-backup ~/path/to/export.1pux
+mise run op-backup ~/Documents/1PasswordExport-*.1pux
 ```
 
+(If only one export exists in `~/Documents/`, the glob expands cleanly. Otherwise, paste the full path.)
+
 The task will:
 
 1. Prompt for the `.1pux` path if not provided