diff --git a/apps/amm/README.md b/apps/amm/README.md
index 6c7e4f0..139ef34 100644
--- a/apps/amm/README.md
+++ b/apps/amm/README.md
@@ -169,9 +169,9 @@ AMM_PROGRAM_BIN=/abs/path/to/amm.bin nix run .#amm-ui
 
 This is the same `amm.bin` you deployed via the testnet runbook
 (`programs/amm/methods/guest/target/riscv32im-risc0-zkvm-elf/docker/amm.bin`).
-The app reads it, derives the AMM program id (`amm_client_program_id_from_elf`),
-and reads the on-chain AMM config account to discover the TWAP oracle program id
-for the pool's current-tick PDA. If `AMM_PROGRAM_BIN` is unset or unreadable, the
+The app reads it, derives the AMM program id (the binary's RISC Zero Image ID,
+via `amm_ffi`'s `program_id` op), and reads the on-chain AMM config account to
+discover the TWAP oracle program id for the pool's current-tick PDA. If `AMM_PROGRAM_BIN` is unset or unreadable, the
 Swap view stays disabled (no pool can be resolved).
 
 > **Golden rule (from the runbook):** recompiling the AMM changes its program id