Update Sign-a-Package.md

Author: karann-msft

docs/create-packages/Sign-a-Package.md

@@ -14,7 +14,7 @@ Signed packages allows for content integrity verification checks which provides
 
 ## Get a code signing certificate
 
-Valid certificates may be obtained from a public certificate authority like such as [Symantec](https://trustcenter.websecurity.symantec.com/process/trust/productOptions?productType=SoftwareValidationClass3), [DigiCert](https://www.digicert.com/code-signing/), [Go Daddy](https://www.godaddy.com/web-security/code-signing-certificate), [Global Sign](https://www.globalsign.com/en/code-signing-certificate/), [Comodo](https://www.comodo.com/e-commerce/code-signing/code-signing-certificate.php), [Certum](https://www.certum.eu/certum/cert,offer_en_open_source_cs.xml), etc. The complete list of certification authorities trusted by Windows can be obtained from [http://aka.ms/trustcertpartners](http://aka.ms/trustcertpartners).
+Valid certificates may be obtained from a public certificate authority such as [Symantec](https://trustcenter.websecurity.symantec.com/process/trust/productOptions?productType=SoftwareValidationClass3), [DigiCert](https://www.digicert.com/code-signing/), [Go Daddy](https://www.godaddy.com/web-security/code-signing-certificate), [Global Sign](https://www.globalsign.com/en/code-signing-certificate/), [Comodo](https://www.comodo.com/e-commerce/code-signing/code-signing-certificate.php), [Certum](https://www.certum.eu/certum/cert,offer_en_open_source_cs.xml), etc. The complete list of certification authorities trusted by Windows can be obtained from [http://aka.ms/trustcertpartners](http://aka.ms/trustcertpartners).
 
 You can use self-issued certificates for testing purposes. However, packages signed using self-issued certificates are not accepted by NuGet.org. Learn more about [creating a test certificate](#create-a-test-certificate)