diff --git a/infra/fast-time/README.md b/infra/fast-time/README.md
index d6c3ed893..a666c40f9 100644
--- a/infra/fast-time/README.md
+++ b/infra/fast-time/README.md
@@ -49,6 +49,7 @@ Time parameters, divided by 60 (devnet value, 60x value):
 | `blockrate.coinbase_maturity` (s) | 100 | 2 | 100 s / 60 rounds up |
 | `deflationary_phase_daa_score` | 0 | 0 | the devnet has no deflationary phase |
 | `difficulty_v2_activation_daa` | never (`18446744073709551615`) | never | a height, not a clock: difficulty rule v2 (4 Oct 2026, `docs/analysis/difficulty-2026-10-04-oscillation.md`) switches on at this DAA score; a test network sets it in its merged file (`sim/difficulty/testnet_v2.py` uses 900) |
+| `proving_v0_activation_daa` | never | never | a height: proving v0 payouts (spec 7.7) switch on at this DAA score; `tools/proving-v0/run.mjs` sets 60 in its merged file |
 
 Unchanged, and why: