Add standard name of secp256k1 + P-256K

Use the standard name of secp256k1 in addition to P-256K for support keys

Author: amiralis

articles/key-vault/keys/about-keys.md

@@ -55,7 +55,7 @@ Key Vault supports RSA and EC keys. Managed HSM supports RSA, EC, and symmetric
 
 |Key type|Vaults (Premium SKU only)|Managed HSMs|
 |--|--|--|
-|**EC-HSM**: Elliptic Curve key | Supported (P-256, P-384, P-521, P-256K)| Supported (P-256, P-256K, P-384, P-521)|
+|**EC-HSM**: Elliptic Curve key | Supported (P-256, P-384, P-521, secp256k1/P-256K)| Supported (P-256, secp256k1/P-256K, P-384, P-521)|
 |**RSA-HSM**: RSA key|Supported (2048-bit, 3072-bit, 4096-bit)|Supported (2048-bit, 3072-bit, 4096-bit)|
 |**oct-HSM**: Symmetric key|Not supported|Supported (128-bit, 192-bit, 256-bit)|
 |||
@@ -65,7 +65,7 @@ Key Vault supports RSA and EC keys. Managed HSM supports RSA, EC, and symmetric
 |Key type|Vaults|Managed HSMs|
 |--|--|--|
 **RSA**: "Software-protected" RSA key|Supported  (2048-bit, 3072-bit, 4096-bit)|Not supported
-**EC**: "Software-protected" Elliptic Curve key |Supported  (P-256, P-384, P-521, P-256K)|Not supported
+**EC**: "Software-protected" Elliptic Curve key |Supported  (P-256, P-384, P-521, secp256k1/P-256K)|Not supported
 |||
 
 ### Compliance
@@ -94,4 +94,4 @@ See [Key types, algorithms, and operations](about-keys-details.md) for details a
 - [About certificates](../certificates/about-certificates.md)
 - [Key Vault REST API overview](../general/about-keys-secrets-certificates.md)
 - [Authentication, requests, and responses](../general/authentication-requests-and-responses.md)
-- [Key Vault Developer's Guide](../general/developers-guide.md)
+- [Key Vault Developer's Guide](../general/developers-guide.md)