message: correct error message for Addr
diff: @@ -400,7 +400,7 @@ impl<'de> serde::Deserialize<'de> for Addr
  type Value = Addr;
  fn expecting(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
  - write!(fmt, "Expecting an Extended Address (`ExtendedAddr`)")
  + write!(fmt, "Expecting an Address (`Addr`)")
  }
  fn visit_str<'a, E>(self, v: &'a str) -> Result<Self::Value, E>
  @@ -412,7 +412,7 @@ impl<'de> serde::Deserialize<'de> for Addr
  };
  match Self::Value::try_from_slice(&bytes) {
  - Err(err) => { Err(E::custom(format!("unable to parse ExtendedAddr: {:?}", err))) },
  + Err(err) => { Err(E::custom(format!("unable to parse Addr: {:?}", err))) },
  Ok(v) => Ok(v)
  }
  }
  @@ -421,7 +421,7 @@ impl<'de> serde::Deserialize<'de> for Addr
  where E: serde::de::Error
  {
  match Self::Value::try_from_slice(v) {
  - Err(err) => { Err(E::custom(format!("unable to parse ExtendedAddr: {:?}", err))) },
  + Err(err) => { Err(E::custom(format!("unable to parse Addr: {:?}", err))) },
  Ok(v) => Ok(v)
  }
  }
  