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 # geotemporalsigilizer
 
 * generates a sigil from geographic coordinates and epoch timestamp
-* takes two to five arguments: <decimal latitude> <decimal longitude> (<epoch timestamp> <first name> <last name>)
+* takes two to five arguments: [decimal latitude] [decimal longitude] ([epoch timestamp] [first name] [last name])
 * If just latitude and longitude are provided, the timestamp is calculated automatically for this moment.
 * If first- and last name of a person are provided, their birth-location coordinates and birth-time should be the geospatial arguments
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