Correct typo in ProtectedPersonalDataAttribute.cs & PersonalDataAttribute.cs (dotnet#58664)

Author: bretthoes

src/Identity/Extensions.Core/src/PersonalDataAttribute.cs

@@ -6,7 +6,7 @@
 namespace Microsoft.AspNetCore.Identity;
 
 /// <summary>
-/// Used to indicate that a something is considered personal data.
+/// Used to indicate that something is considered personal data.
 /// </summary>
 [AttributeUsage(AttributeTargets.Property)]
 public class PersonalDataAttribute : Attribute

src/Identity/Extensions.Core/src/ProtectedPersonalDataAttribute.cs

@@ -4,7 +4,7 @@
 namespace Microsoft.AspNetCore.Identity;
 
 /// <summary>
-/// Used to indicate that a something is considered personal data and should be protected.
+/// Used to indicate that something is considered personal data and should be protected.
 /// </summary>
 public class ProtectedPersonalDataAttribute : PersonalDataAttribute
 { }