diff --git a/applications/FROST.md b/applications/FROST.md
index 2d6bf705cfc..f773a989e3a 100644
--- a/applications/FROST.md
+++ b/applications/FROST.md
@@ -101,6 +101,9 @@ module FrostClient {
     // Sends participation confirmation and own polynomial commitment to the server.
     export function sendPolynomialCommitment(poly_commit: Uint8Array, server: Url): void;
 
+    // Verifies the polynomial commitment received from the server.
+    export function verifyPolyCommit(poly_commit: Uint8Array, participant_id: Id): boolean;
+
     // Sends encrypted secret shares to the server for distribution.
     export function sendEncryptedSecretShares(encrypted_shares: Uint8Array[], server: Url): void;