diff --git a/rust/prop_grid_rs/src/lib.rs b/rust/prop_grid_rs/src/lib.rs
index a7b46cdf..501f6463 100644
--- a/rust/prop_grid_rs/src/lib.rs
+++ b/rust/prop_grid_rs/src/lib.rs
@@ -4,7 +4,8 @@
 //! tests can compare behavior 1:1. Module boundaries chosen so failures
 //! during TDD fall into the smallest possible blast radius.
 //!
-//! Port targets (f01..f18 forecast hours only — f00 remains in Elixir):
+//! Post-Phase-3: f00 analysis and f01..f18 forecasts both live here.
+//! Port targets:
 //!   band_config  ← lib/microwaveprop/propagation/band_config.ex
 //!   region       ← lib/microwaveprop/propagation/region.ex
 //!   scorer       ← lib/microwaveprop/propagation/scorer.ex