Update examples/musig.c

Co-authored-by: Tim Ruffing <[email protected]>

Author: jonasnick

examples/musig.c

@@ -190,8 +190,8 @@ int sign(const secp256k1_context* ctx, struct signer_secrets *signer_secrets, st
     }
     printf("ok\n");
     printf("Combining public keys...");
+    /* If you just want to aggregate and not sign the cache can be NULL */
     if (!secp256k1_musig_pubkey_agg(ctx, NULL, &agg_pk, &cache, pubkeys_ptr, N_SIGNERS)) {
-        /* If you just want to aggregate and not sign the cache can be NULL */
         printf("FAILED\n");
         return 1;
     }