Update password-policy-recommendations.md

Grammar change for password guidelines for administrators.

Author: kole-str

microsoft-365/admin/misc/password-policy-recommendations.md

@@ -62,7 +62,7 @@ Good password practices fall into a few broad categories:
 
 The primary goal of a more secure password system is password diversity. You want your password policy to contain lots of different and hard to guess passwords. Here are a few recommendations for keeping your organization as secure as possible.
 
-- Maintain an fourteen-character minimum length requirement
+- Maintain a fourteen-character minimum length requirement
 
 - Don't require character composition requirements. For example, \*&(^%$