C-Lightning-Modifications.md

@@ -4,6 +4,8 @@ hsmd_wire.csv:
   - [`hsmd_new_channel` / `hsmd_ready_channel`](https://github.com/ElementsProject/lightning/pull/4949) **merged**
   - `hsmd_validate_commitment_tx`
   - [`hsmd_validate_revocation`](https://github.com/ElementsProject/lightning/pull/4898) **merged**
+  - `hsmd_submit_invoice`
+  - `hsmd_fulfill_htlc`
 * We add fields to existing HSMD messages:
   - `hsmd_sign_commitment_tx`, `hsmd_sign_remote_commitment_tx`:
     * `commit_num`