fix typo #90

Job	Run time
cargo check	10m 10s
cargo test (macos-aarch64)	11m 22s
build with wasm-pack	2m 26s
cargo test (macos)	36m 16s
cargo test (win64)	38m 52s
Check cargo fmt	56s
Verify Vendored Code	44s
Verify MSRV (Min Supported Rust Version)	6m 55s
cargo test datafusion-cli (amd64)	3m 41s
cargo examples (amd64)	10m 17s
clippy	2m 18s
check Cargo.toml formatting	2m 53s
check configs.md is up-to-date	2m 22s
cargo test hash collisions (amd64)	9m 59s
cargo doc	4m 12s
cargo test (amd64)	10m 20s
cargo test doc (amd64)	13m 17s
Run sqllogictest with Postgres runner	3m 1s
cargo test pyarrow (amd64)	2m 40s
verify benchmark results (amd64)	10m 14s
	3h 2m 55s

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