# po4a-updatepo > Update the translation (in PO format) of a documentation. > More information: . - Update a PO file according to the modification of its origin file: `po4a-updatepo --format {{text}} --master {{path/to/master.txt}} --po {{path/to/result.po}}` - Get a list of available formats: `po4a-updatepo --help-format` - Update several PO files according to the modification of their origin file: `po4a-updatepo --format {{text}} --master {{path/to/master.txt}} --po {{path/to/po1.po}} --po {{path/to/po2.po}}`