update en/application-dev/security/hapsigntool-guidelines.md.

Signed-off-by: NAnnie_wang <annie.wangli@huawei.com>

en/application-dev/security/hapsigntool-guidelines.md

@@ -172,12 +172,12 @@ The usage of hapsigner varies depending on whether an application signing certif
              ├── -issuerKeyPwd                  # Key password of the issuer. It is optional.
              ├── -subject                       # Certificate subject. It is mandatory.
              ├── -validity                      # Validity period of the certificate. It is optional. The default value is 1095 days.
-             ├── -keyUsage                          # Usages of the key. It is mandatory. The key usages include digitalSignature, nonRepudiation, keyEncipherment,
-             ├                                        dataEncipherment, keyAgreement, certificateSignature, crlSignature,
+             ├── -keyUsage                      # Usages of the key. It is mandatory. The key usages include digitalSignature, nonRepudiation, 
+             ├                                    keyEncipherment, dataEncipherment, keyAgreement, certificateSignature, crlSignature,
              ├                                    encipherOnly, and decipherOnly. Use a comma (,) to separate multiple values.
              ├── -keyUsageCritical              # Whether keyUsage is a critical option. It is optional. The default value is true.
-             ├── -extKeyUsage                       # Extended key usages. It is optional. The extended key usages include clientAuthentication, serverAuthentication,
-             ├                                        codeSignature, emailProtection, smartCardLogin, timestamp, and ocspSignature.
+             ├── -extKeyUsage                   # Extended key usages. It is optional. The extended key usages include clientAuthentication, 
+             ├                                    serverAuthentication, codeSignature, emailProtection, smartCardLogin, timestamp, and ocspSignature.
              ├── -extKeyUsageCritical           # Whether extKeyUsage is a critical option. It is optional. The default value is false.
              ├── -signAlg                       # Signature algorithm, which can be SHA256withRSA, SHA384withRSA,  SHA256withECDSA, or SHA384withECDSA. It is mandatory.
              ├── -basicConstraints              # Whether basicConstraints is contained. It is optional. The default value is false.