diff --git a/.github/copilot-instructions.md b/.github/copilot-instructions.md
index 2c7ce9e9..2987d5a7 100644
--- a/.github/copilot-instructions.md
+++ b/.github/copilot-instructions.md
@@ -23,7 +23,8 @@
 - Snapshot-first test workflow (insta):
     - Unit/bin tests with review UI: `mise run test-unit -- <filter>` or `mise run test-all-unit`.
     - Integration tests with review UI: `mise run test-integration <test> [filter]` or `mise run test-all-integration`.
-    - Snapshots live under `crates/prek/src/snapshots/` and are used heavily by tests in `crates/prek/tests/`.
+    - DO NOT run `cargo test -p prek` while testing, they are slow. Use `cargo test -p prek --lib <unit-test> -- --exact` (or `cargo test -p prek --bin prek <unit-test> -- --exact`) for unit tests and `cargo test -p prek --test <test> -- <filter>` for integration tests.
+    - Use `cargo insta review --accept` to accept snapshot changes after running tests locally.
 
 ## Project-specific conventions
 
@@ -36,12 +37,10 @@
 
 - Integration tests use `TestContext` helpers in `crates/prek/tests/common/mod.rs` and snapshot macros like `cmd_snapshot!`.
 - Tests often normalize paths with regex filters; prefer using `context.filters()` for stable snapshots.
-- DO NOT run whole-workspace tests in CI; they are slow. Use `cargo test -p prek --lib <unit-test> -- --exact` (or `cargo test -p prek --bin prek <unit-test> -- --exact`) for unit tests and `cargo test -p prek --test <test> -- <filter>` for integration tests.
-- Use `cargo insta review --accept` to accept snapshot changes after running tests locally.
 
 ## Docs + generated artifacts
 
-- Docs are built with MkDocs (see `mkdocs.yml`); run locally via `mise run build-docs`.
+- Docs are built with Zensical (see `mkdocs.yml`); run locally via `mise run build-docs`.
 - CLI reference + JSON schema are generated via `mise run generate` (see tasks in `mise.toml`).
 
 ## When changing behavior