Update STRANDLOCK_PROTOCOL.md

Author: chadsec1

STRANDLOCK_PROTOCOL.md

@@ -123,7 +123,7 @@ ARGON2ID_SALT = SHA3-512(BOB_SMP_NONCE || ALICE_SMP_NONCE)[:16]
 ```
 
 `Alice` derives `answer_secret` using `Argon2id` with the `salt`, and the following paramaters:
-- Memory: 3072 * 1024 bytes (3 Gigabytes)
+- Memory: 3072 * 1024 * 1024 bytes (3 Gigabytes)
 - Iterations: 50000 (50k)
 - Output: 64 bytes