diff --git a/en/application-dev/security/huks-appendix.md b/en/application-dev/security/huks-appendix.md
index 11b1ce8f671103822f4954dbeac2bc6e2eca1bc2..b6371b6bb7d2e8fd9e70011c687989a911f7f51a 100644
--- a/en/application-dev/security/huks-appendix.md
+++ b/en/application-dev/security/huks-appendix.md
@@ -19,7 +19,7 @@ This document provides the HUKS specifications. Mandatory specifications are alg
| ECC | 8+ | 256, 384, 521|Yes|
| Ed25519 | 8+ | 256 |Yes|
| X25519 | 8+ | 256 |Yes|
-| DSA | 8+ | An integer multiple of 8, ranging from 8 to 1024 (inclusive) |No|
+| DSA | 8+ | An integer multiple of 8, ranging from 512 to 1024 (inclusive) |No|
| DH | 8+ | 2048 |Yes|
| DH | 8+ | 3072, 4096 |No|
| SM2 | 9+ | 256 |Yes|
@@ -54,7 +54,7 @@ This document provides the HUKS specifications. Mandatory specifications are alg
| ED25519/NoDigest | 8+ | If **NoDigest** is used, **TAG HuksKeyDigest.HUKS_DIGEST_NONE** must be set.|Yes|
| SM2/SM3|9+ | |Yes|
-### key Agreement Algorithms
+### Key Agreement Algorithms
| Algorithm | API Level| Remarks | Mandatory|
| ------ | :-----------: | ------------------------------ |:-----------: |
@@ -148,7 +148,7 @@ let rsa2048KeyPairMaterial = new Uint8Array([
The key algorithm is a value of [HuksKeyAlg](../reference/apis/js-apis-huks.md#hukskeyalg).
- **RSA Key Pair Material Format**
- | Key Algorithm| Key Size| Modulus n Length Ln| Public Key Exponent e Length Le | Private Key Exponent d Length Ld| n | e | d |
+ | Key Algorithm| Key Size| Modulus n Length Ln| Public Key Exponent e Length Le| Private Key Exponent d Length Ld| n | e | d |
| :----: |:----:|:----:|:----:|:----:|:----:|:----:|:----:|
|4 bytes|4 bytes|4 bytes|4 bytes|4 bytes|Ln bytes|Le bytes|Ld bytes|