message: Fixed get-attr help
diff: @@ -223,7 +223,7 @@ pub mod get_attrib_command {
  .add_optional_param("raw", "Name of attribute")
  .add_optional_param("hash", "Hash of attribute data")
  .add_optional_param("enc", "Encrypted value of attribute data")
  - .add_example("ledger get-attrib did=VsKV7grR1BUE29mG2Fm2kX attr=endpoint")
  + .add_example("ledger get-attrib did=VsKV7grR1BUE29mG2Fm2kX raw=endpoint")
  .add_example("ledger get-attrib did=VsKV7grR1BUE29mG2Fm2kX hash=83d907821df1c87db829e96569a11f6fc2e7880acba5e43d07ab786959e13bd3")
  .add_example("ledger get-attrib did=VsKV7grR1BUE29mG2Fm2kX enc=aa3f41f619aa7e5e6b6d0d")
  .finalize()
  