diff --git a/AGENTS.md b/AGENTS.md
index 4502de59..76cf8f75 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -5,7 +5,7 @@
 - Do not introduce new ad-hoc configuration reads via `std::env::var(...)` / `process.env` / `os.getenv(...)` in command logic.
 - All user-facing/runtime configuration must be defined in `clap` arguments:
   - a CLI flag, and
-  - a corresponding environment variable (`#[arg(env = ...)]`).
+  - for persistent configuration, a corresponding environment variable (`#[arg(env = ...)]`).
 - Entry points/runners should receive configuration from the CLI layer (via args/env that the CLI owns), not from independent, undocumented env lookups.
 - Extreme edge-case exceptions are allowed only when a flag is not feasible (for example, process-internal plumbing), and must be:
   - documented inline with a short rationale, and