diff --git a/scripts/recalibrate.py b/scripts/recalibrate.py
index cdcadcaa..5d2bb680 100755
--- a/scripts/recalibrate.py
+++ b/scripts/recalibrate.py
@@ -134,6 +134,7 @@ PSKR_BAND_TO_MHZ: dict[str, int] = {
     "70cm": 432,
     "23cm": 1_296,
     "13cm": 2_304,
+    "9cm":  3_400,
     "3cm":  10_000,
 }
 
@@ -519,12 +520,19 @@ def render_report(
     # ── How to apply
     lines.append("## Applying these weights\n")
     lines.append(
-        "This script writes `priv/algo/band_weights.json` and stops "
-        "there — it never edits `band_config.ex`. To make the weights "
-        "live, `BandConfig.weights(band_mhz)` needs a one-time edit to "
-        "read this JSON at app start (cache in `:persistent_term`) and "
-        "merge `band_overrides[band].weights` over the in-source "
-        "defaults. Until then, the JSON is documentation only."
+        "These weights are **live scoring inputs, not documentation**. "
+        "`BandConfig.weights/1` consults `BandWeights.lookup/1` (which "
+        "reads this JSON) *before* falling back to the in-source "
+        "`:weights` override or the global `@weights` default. This "
+        "script still never edits `band_config.ex` — it only rewrites "
+        "the JSON.\n"
+    )
+    lines.append(
+        "`BandWeights` caches the parsed file in `:persistent_term` on "
+        "first read, so a running node keeps serving the *previous* "
+        "weights until it restarts. To put this run into effect, deploy "
+        "(the file ships under `priv/`) or call `BandWeights.reset/0` on "
+        "every node."
     )
     return "\n".join(lines)