fix(docs): typo in suggested host value

Signed-off-by: Frederic Pillon <[email protected]>

Author: fpistm

Diff for: docs/package_index_json-specification.md

@@ -178,7 +178,7 @@ following table or fail if a needed flavour is missing.
 | Linux Arm64     | `(aarch64\|arm64)-linux-gnu`          | `aarch64-linux-gnu`                |
 | Linux RISC-V 64 | `riscv64-linux-gnu`                   | `riscv64-linux-gnu`                |
 | Windows 32      | `i[3456]86-.*(mingw32\|cygwin)`       | `i686-mingw32` or `i686-cygwin`    |
-| Windows 64      | `(amd64\|x86_64)-.*(mingw32\|cygwin)` | `x86_64-migw32` or `x86_64-cygwin` |
+| Windows 64      | `(amd64\|x86_64)-.*(mingw32\|cygwin)` | `x86_64-mingw32` or `x86_64-cygwin` |
 | MacOSX 32       | `i[3456]86-apple-darwin.*`            | `i686-apple-darwin`                |
 | MacOSX 64       | `x86_64-apple-darwin.*`               | `x86_64-apple-darwin`              |
 | MacOSX Arm64    | `arm64-apple-darwin.*`                | `arm64-apple-darwin`               |