Sync TlsFrameHelper.cs typo/grammar fixes from dotnet/yarp (#128220)

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: MihaZupan <25307628+MihaZupan@users.noreply.github.com>

Author: Copilot

src/libraries/System.Net.Security/src/System/Net/Security/TlsFrameHelper.cs

@@ -64,7 +64,7 @@ internal enum TlsAlertDescription : byte
         DecryptError = 51, // error
         ExportRestriction = 60, // reserved
         ProtocolVersion = 70, // error
-        InsuffientSecurity = 71, // error
+        InsufficientSecurity = 71, // error
         InternalError = 80, // error
         UserCanceled = 90, // warning or error
         NoRenegotiation = 100, // warning
@@ -74,7 +74,7 @@ internal enum TlsAlertDescription : byte
     internal enum ExtensionType : ushort
     {
         ServerName = 0,
-        MaximumFagmentLength = 1,
+        MaximumFragmentLength = 1,
         ClientCertificateUrl = 2,
         TrustedCaKeys = 3,
         TruncatedHmac = 4,
@@ -203,7 +203,7 @@ public static bool TryGetFrameHeader(ReadOnlySpan<byte> frame, ref TlsFrameHeade
                 // max frame for SSLv2 is 32767.
                 // However, we expect something reasonable for initial HELLO
                 // We don't have enough logic to verify full validity,
-                // the limits bellow are queses.
+                // the limits below are guesses.
 #pragma warning disable CS0618 // Ssl2 and Ssl3 are obsolete
                 header.Version = SslProtocols.Ssl2;
 #pragma warning restore CS0618
@@ -220,7 +220,7 @@ public static bool TryGetFrameHeader(ReadOnlySpan<byte> frame, ref TlsFrameHeade
 
         // This function will try to parse TLS hello frame and fill details in provided info structure.
         // If frame was fully processed without any error, function returns true.
-        // Otherwise it returns false and info may have partial data.
+        // Otherwise, it returns false and info may have partial data.
         // It is OK to call it again if more data becomes available.
         // It is also possible to limit what information is processed.
         // If callback delegate is provided, it will be called on ALL extensions.
@@ -287,7 +287,7 @@ public static bool TryGetFrameInfo(ReadOnlySpan<byte> frame, ref TlsFrameInfo in
             return isComplete;
         }
 
-        // This is similar to TryGetFrameInfo but it will only process SNI.
+        // This is similar to TryGetFrameInfo, but it will only process SNI.
         // It returns TargetName as string or NULL if SNI is missing or parsing error happened.
         public static string? GetServerName(ReadOnlySpan<byte> frame)
         {
@@ -300,7 +300,7 @@ public static bool TryGetFrameInfo(ReadOnlySpan<byte> frame, ref TlsFrameInfo in
             return info.TargetName;
         }
 
-        // This function will parse TLS Alert message and it will return alert level and description.
+        // This function will parse the TLS Alert message, and return the alert level and description.
         public static bool TryGetAlertInfo(ReadOnlySpan<byte> frame, ref TlsAlertLevel level, ref TlsAlertDescription description)
         {
             if (frame.Length < 7 || frame[0] != (byte)TlsContentType.Alert)
@@ -465,12 +465,12 @@ private static bool TryParseServerHello(ReadOnlySpan<byte> serverHello, ref TlsF
             // }
             // ServerHello;
             const int CipherSuiteLength = 2;
-            const int CompressionMethiodLength = 1;
+            const int CompressionMethodLength = 1;
 
             ReadOnlySpan<byte> p = SkipBytes(serverHello, ProtocolVersionSize + RandomSize);
             // Skip SessionID (max size 32 => size fits in 1 byte)
             p = SkipOpaqueType1(p);
-            p = SkipBytes(p, CipherSuiteLength + CompressionMethiodLength);
+            p = SkipBytes(p, CipherSuiteLength + CompressionMethodLength);
 
             // is invalid structure or no extensions?
             if (p.IsEmpty)
@@ -674,7 +674,7 @@ private static bool TryGetSupportedVersionsFromExtension(ReadOnlySpan<byte> exte
                 return false;
             }
 
-            // Get list of protocols we support.I nore the rest.
+            // Get list of protocols we support. Ignore the rest.
             while (extensionData.Length >= VersionLength)
             {
                 if (extensionData[ProtocolVersionMajorOffset] == ProtocolVersionTlsMajorValue)