Minor typo in README #13305

Job	Run time
android	1m 23s
cargo-deny aarch64-apple-darwin	43s
Check wasm32 + wasm-bindgen	2m 25s
cargo-deny aarch64-linux-android	39s
Check wasm32+atomics	1m 36s
Format + check + test	7m 29s
cargo-deny i686-pc-windows-gnu	39s
cargo-deny i686-pc-windows-msvc	41s
ios	1m 14s
Run tests	6m 5s
cargo-deny i686-unknown-linux-gnu	41s
cargo-deny wasm32-unknown-unknown	38s
cargo-deny x86_64-apple-darwin	40s
Check Windows	1m 45s
cargo-deny x86_64-pc-windows-gnu	39s
cargo-deny x86_64-pc-windows-msvc	38s
cargo-deny x86_64-unknown-linux-gnu	44s
cargo-deny x86_64-unknown-linux-musl	38s
cargo-deny x86_64-unknown-redox	38s
	29m 55s

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