diff --git a/docs/build/exchange-guidelines/gateway_addresses.md b/docs/build/exchange-guidelines/gateway_addresses.md
index 35ce5d7..a6477ad 100644
--- a/docs/build/exchange-guidelines/gateway_addresses.md
+++ b/docs/build/exchange-guidelines/gateway_addresses.md
@@ -28,9 +28,9 @@ To make integration with Zano convenient for a wide range of services, we implem
| Name in API | Curve | Public key | Signature | Use case |
|---|---|---|---|---|
-| `opt_owner_ecdsa_pub_key` | secp256k1 | 33 bytes (compressed) | 64 bytes
(r \|\| s) | **ECDSA over secp256k1**. This signature type is widely used in blockchain projects such as Ethereum, Bitcoin, and others. |
-| `opt_owner_eddsa_pub_key` | Ed25519 | 32 bytes | 64 bytes
(R \|\| s) | **Ed25519** (also referred to as EdDSA). This is the variant used in Solana. |
-| `opt_owner_custom_schnorr_pub_key` | Ed25519 | 32 bytes | 64 bytes
(c \|\| y) | **Zano custom Schnorr signature**, also based on Ed25519. |
+| `opt_owner_ecdsa_pub_key` | secp256k1 | 33 bytes (compressed) | 64 bytes
(r \|\| s) | **ECDSA over secp256k1**. This signature type is widely used in blockchain projects such as Ethereum, Bitcoin, and others. |
+| `opt_owner_eddsa_pub_key` | Ed25519 | 32 bytes | 64 bytes
(R \|\| s) | **Ed25519** (also referred to as EdDSA). This is the variant used in Solana. |
+| `opt_owner_custom_schnorr_pub_key` | Ed25519 | 32 bytes | 64 bytes
(c \|\| y) | **Zano custom Schnorr signature**, also based on Ed25519. |
**opt_owner_ecdsa_pub_key(ECDSA)** and **opt_owner_eddsa_pub_key(Ed25519)** were implemented primarily because these standards are widely supported across the blockchain industry and because there is extensive tooling available for building MPC solutions with these key types.