diff --git a/SUPPORT.md b/SUPPORT.md
index 090e463a..f18fd17f 100644
--- a/SUPPORT.md
+++ b/SUPPORT.md
@@ -20,7 +20,7 @@ With the following configuration keys:
 
 - `pkg-url` specifies the package download URL for a given target/version, templated
 - `bin-dir` specifies the binary path within the package, templated (with an `.exe` suffix on windows)
-- `pkg-fmt` overrides the package format for download/extraction (defaults to: `tgz`)
+- `pkg-fmt` overrides the package format for download/extraction (defaults to: `tgz`), check [the documentation](https://docs.rs/binstalk-types/latest/binstalk_types/cargo_toml_binstall/enum.PkgFmt.html) for all supported formats.
 - `disabled-strategies` to disable specific strategies (e.g. `crate-meta-data` for trying to find pre-built on your repository,
   `quick-install` for pre-built from third-party cargo-bins/cargo-quickinstall, `compile` for falling back to `cargo-install`)
   for your crate (defaults to empty array).