Updated comments on Microsoft.AspNetCore.Mvc.ProblemDetails (#64756)

* Fix summary formatting for HTTP status code property

* Update ProblemDetails.cs

* Fix comment formatting in ProblemDetails.cs

* Refactor ProblemDetails class documentation

Author: abatishchev

src/Http/Http.Abstractions/src/ProblemDetails/ProblemDetails.cs

@@ -6,15 +6,15 @@
 namespace Microsoft.AspNetCore.Mvc;
 
 /// <summary>
-/// A machine-readable format for specifying errors in HTTP API responses based on <see href="https://tools.ietf.org/html/rfc7807"/>.
+/// A machine-readable format for specifying errors in HTTP API responses based on <see href="https://tools.ietf.org/html/rfc9110"/>.
 /// </summary>
 public class ProblemDetails
 {
     /// <summary>
-    /// A URI reference [RFC3986] that identifies the problem type. This specification encourages that, when
-    /// dereferenced, it provide human-readable documentation for the problem type
-    /// (e.g., using HTML [W3C.REC-html5-20141028]). When this member is not present, its value is assumed to be
-    /// "about:blank".
+    /// A URI reference that identifies the problem type. This specification encourages that, when
+    /// dereferenced, it provide human-readable documentation for the problem type, e.g. using HTML.
+    /// When this member is not present, its value is assumed to be "about:blank";
+    /// see RFC 3986.
     /// </summary>
     [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
     [JsonPropertyOrder(-5)]
@@ -23,16 +23,17 @@ public class ProblemDetails
 
     /// <summary>
     /// A short, human-readable summary of the problem type. It SHOULD NOT change from occurrence to occurrence
-    /// of the problem, except for purposes of localization(e.g., using proactive content negotiation;
-    /// see[RFC7231], Section 3.4).
+    /// of the problem, except for purposes of localization, e.g. using proactive content negotiation;
+    /// see RFC 9110, Section 12.
     /// </summary>
     [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
     [JsonPropertyOrder(-4)]
     [JsonPropertyName("title")]
     public string? Title { get; set; }
 
     /// <summary>
-    /// The HTTP status code([RFC7231], Section 6) generated by the origin server for this occurrence of the problem.
+    /// The HTTP status code generated by the origin server for this occurrence of the problem;
+    /// see RFC 9110, Section 15.
     /// </summary>
     [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
     [JsonPropertyOrder(-3)]
@@ -63,7 +64,7 @@ public class ProblemDetails
     /// </para>
     /// </summary>
     /// <remarks>
-    /// The round-tripping behavior for <see cref="Extensions"/> is determined by the implementation of the Input \ Output formatters.
+    /// The round-tripping behavior for <see cref="Extensions"/> is determined by the implementation of the Input/Output formatters.
     /// In particular, complex types or collection types may not round-trip to the original type when using the built-in JSON or XML formatters.
     /// </remarks>
     [JsonExtensionData]