Updated line 21 with "recognition"

Unclear what type of biometric the phrase refers to. A word was clearly missing.

Author: iamalexmang

articles/security/fundamentals/ad-passwordless.md

@@ -18,7 +18,7 @@ Three types of attacks commonly used to compromise user accounts are password sp
 
 This article is the beginning of your journey to help you understand and implement Microsoft's passwordless solutions and help you choose between one or more of the following options:
 
-* **Windows Hello for Business**. In Windows 10, Windows Hello for Business replaces passwords with strong two-factor authentication on PCs and mobile devices. This authentication consists of a new type of user credential that is tied to a device and uses a biometric or PIN.
+* **Windows Hello for Business**. In Windows 10, Windows Hello for Business replaces passwords with strong two-factor authentication on PCs and mobile devices. This authentication consists of a new type of user credential that is tied to a device and uses a biometric recognition or PIN.
 
 * **Passwordless sign-in with Microsoft Authenticator**. The Microsoft Authenticator app can be used to sign in to an Azure AD account without using a password. Similar to the technology of Windows Hello for Business, the Microsoft Authenticator uses key-based authentication to enable a user credential that is tied to a device and uses a biometric or PIN.