cosmwasm/README.md doesn't line up with `msg.rs`

[0xForerunner]

in README.md

fn demo(
    std_ref_addr: Addr,
    symbol_pairs: Vec<String>,
) -> StdResult<ReferenceData> {
    deps.querier.query_wasm_smart(
        &std_ref_addr,
        &QueryMsg::GetReferenceDataBulk {
            symbol_pairs,
        },
    )
}

in msg.rs

    #[returns(Vec < ReferenceData >)]
    // Returns the ReferenceDatas of the given asset pairings
    GetReferenceDataBulk {
        // Vector of Symbol pair to query
        // e.g. <BTC/USD ETH/USD, OJO/BTC> ≡ <("BTC", "USD"), ("ETH", "USD"), ("OJO", "BTC")>
        symbol_pairs: Vec<(String, String)>,
    },