diff --git a/docs/contributing.md b/docs/contributing.md
index e2d222d..f897c29 100644
--- a/docs/contributing.md
+++ b/docs/contributing.md
@@ -66,8 +66,8 @@ go generate ./...
 ```
 
 The `//go:generate` directives in `examples/gastro/generate.go` invoke
-`tailwindcss` followed by `gastro generate`. CI runs the same command
-and fails if the result differs from what's committed.
+`tailwindcss` followed by `go tool gastro generate`. CI runs the same
+command and fails if the result differs from what's committed.
 
 For a hot-reload dev loop that rebuilds CSS, regenerates the gastro
 tree, and restarts the binary on every change:
diff --git a/examples/gastro/generate.go b/examples/gastro/generate.go
index 9fce001..8c953f1 100644
--- a/examples/gastro/generate.go
+++ b/examples/gastro/generate.go
@@ -5,20 +5,23 @@
 //  1. Compile Tailwind CSS source (tailwind.css) into the embedded
 //     stylesheet at static/styles.css. Output is minified for parity
 //     with what ships in the binary.
-//  2. Run `gastro generate` to regenerate the .gastro/ package tree
-//     against any .gastro template changes.
+//  2. Run `go tool gastro generate` to regenerate the .gastro/ package
+//     tree against any .gastro template changes. The `go tool gastro`
+//     form resolves through the `tool` directive in go.mod, so we
+//     don't need a `gastro` binary on PATH (CI has the mise-managed
+//     tailwindcss binary on PATH but doesn't separately install
+//     gastro — the tool directive covers that case).
 //
 // `go generate` runs directives top-to-bottom within a single file, so
 // the freshly-built CSS is on disk before gastro generate's //go:embed
 // snapshot of static/ is taken.
 //
-// Both commands must be on PATH. mise satisfies this once contributors
-// run `mise install` from the repo root (see mise.toml).
-//
 // CI gate: `go generate ./... && git diff --exit-code` from this
-// directory catches drift in either the CSS or the .gastro/ tree.
+// directory catches Tailwind CSS drift. The .gastro/ tree is
+// gitignored, so codegen drift is covered separately by `gastro check`
+// where it runs.
 
 //go:generate tailwindcss -i tailwind.css -o static/styles.css --minify
-//go:generate gastro generate
+//go:generate go tool gastro generate
 
 package main