diff --git a/SmRtAPI/SmRtAPI/Config/PunctuationConfig.cs b/SmRtAPI/SmRtAPI/Config/PunctuationConfig.cs
index e00b4e1..497d1c5 100644
--- a/SmRtAPI/SmRtAPI/Config/PunctuationConfig.cs
+++ b/SmRtAPI/SmRtAPI/Config/PunctuationConfig.cs
@@ -4,10 +4,20 @@
 
 namespace Speechmatics.Realtime.Client.Config
 {
+
+    /// <summary>
+    /// Configuration for customizing punctuation
+    /// </summary>
     public class PunctuationConfig
     {
+        /// <summary>
+        /// List of permitted punctuation marks
+        /// </summary>
         public IEnumerable<string>? PermittedMarks { get; set; }
 
+        /// <summary>
+        /// Punctuation detection sensitivity, higher values will produce more punctuation, the default is 0.5
+        /// </summary>
         public double? Sensitivity { get; set; }
     }
 }
diff --git a/SmRtAPI/SmRtAPI/Config/SmRtApiConfig.cs b/SmRtAPI/SmRtAPI/Config/SmRtApiConfig.cs
index f249250..c238b21 100644
--- a/SmRtAPI/SmRtAPI/Config/SmRtApiConfig.cs
+++ b/SmRtAPI/SmRtAPI/Config/SmRtApiConfig.cs
@@ -4,6 +4,9 @@
 
 namespace Speechmatics.Realtime.Client.Config
 {
+    /// <summary>
+    /// Configuration for an RT API session
+    /// </summary>
     public class SmRtApiConfig : SmRtApiConfigBase
     {
         /// <summary>
@@ -26,10 +29,22 @@ public class SmRtApiConfig : SmRtApiConfigBase
         /// </summary>
         public Action<AddTranslationMessage> AddTranslationMessageCallback { get; set; }
 
+        /// <summary>
+        /// Create new config for a given language,
+        /// specifying input audio details
+        /// </summary>
+        /// <param name="model"></param>
+        /// <param name="sampleRate"></param>
+        /// <param name="audioFormatType"></param>
+        /// <param name="audioFormatEncoding"></param>
         public SmRtApiConfig(string model, int sampleRate, AudioFormatType audioFormatType, AudioFormatEncoding audioFormatEncoding) : base(model, sampleRate, audioFormatType, audioFormatEncoding)
         {
         }
 
+        /// <summary>
+        /// Create transcription config for the specified language
+        /// </summary>
+        /// <param name="model"></param>
         public SmRtApiConfig(string model) : base(model)
         {
         }
diff --git a/SmRtAPI/SmRtAPI/Config/SpeakerDiarizationConfig.cs b/SmRtAPI/SmRtAPI/Config/SpeakerDiarizationConfig.cs
index db651ea..000b0e7 100644
--- a/SmRtAPI/SmRtAPI/Config/SpeakerDiarizationConfig.cs
+++ b/SmRtAPI/SmRtAPI/Config/SpeakerDiarizationConfig.cs
@@ -4,6 +4,9 @@
 
 namespace Speechmatics.Realtime.Client.Config
 {
+    /// <summary>
+    /// Additional configuration for diarization
+    /// </summary>
     public class SpeakerDiarizationConfig
     {
         /// <summary>
diff --git a/SmRtAPI/SmRtAPI/Config/TranslationConfig.cs b/SmRtAPI/SmRtAPI/Config/TranslationConfig.cs
index 8be17ac..c88c73b 100644
--- a/SmRtAPI/SmRtAPI/Config/TranslationConfig.cs
+++ b/SmRtAPI/SmRtAPI/Config/TranslationConfig.cs
@@ -5,9 +5,20 @@
 namespace Speechmatics.Realtime.Client.Config
 {
 
+    /// <summary>
+    /// Additional configuration for translation
+    /// </summary>
     public class TranslationConfig {
+
+        /// <summary>
+        /// List of target languages to translate to
+        /// </summary>
         public IEnumerable<string> TargetLanguages { get; set; }
 
+        /// <summary>
+        /// Flag for enabling translation partials.
+        /// These are based on transcription partials and thus subject to change.
+        /// </summary>
         public bool EnablePartials { get; set; } = false;
 
     }
diff --git a/SmRtAPI/SmRtAPI/Enumerations/DiarizationType.cs b/SmRtAPI/SmRtAPI/Enumerations/DiarizationType.cs
index 6ace66b..fe31c71 100644
--- a/SmRtAPI/SmRtAPI/Enumerations/DiarizationType.cs
+++ b/SmRtAPI/SmRtAPI/Enumerations/DiarizationType.cs
@@ -4,9 +4,18 @@
 
 namespace Speechmatics.Realtime.Client.Enumerations
 {
+    /// <summary>
+    /// Specifying the type of diarization for this session  
+    /// </summary>
     public enum DiarizationType
     {
+        /// <summary>
+        /// No diarization
+        /// </summary>
         None,
+        /// <summary>
+        /// Speaker diarization
+        /// </summary>
         Speaker,
     }
 }
diff --git a/SmRtAPI/SmRtAPI/MessageWriter.cs b/SmRtAPI/SmRtAPI/MessageWriter.cs
index d881e8e..893e1b5 100644
--- a/SmRtAPI/SmRtAPI/MessageWriter.cs
+++ b/SmRtAPI/SmRtAPI/MessageWriter.cs
@@ -7,7 +7,6 @@
 using System.Threading.Tasks;
 using Speechmatics.Realtime.Client.Messages;
 using Speechmatics.Realtime.Client.Interfaces;
-using Speechmatics.Realtime.Client.Messages;
 
 namespace Speechmatics.Realtime.Client
 {
@@ -15,7 +14,7 @@ internal class MessageWriter
     {
         private readonly ClientWebSocket _wsClient;
         private readonly AutoResetEvent _transcriptionComplete;
-        private int _sequenceNumber;
+        private int _sequenceNumber = 0;
         private readonly Stream _stream;
         private readonly AutoResetEvent _recognitionStarted;
         private readonly ISmRtApi _api;
@@ -51,6 +50,7 @@ public async Task Start()
             while ((bytesRead = await _stream.ReadAsync(streamBuffer, 0, streamBuffer.Length)) > 0 && !_transcriptionComplete.WaitOne(0))
             {
                 await SendData(new ArraySegment<byte>(streamBuffer, 0, bytesRead));
+                _sequenceNumber++;
             }
 
             var endOfStream = new EndOfStreamMessage(_sequenceNumber);
diff --git a/SmRtAPI/SmRtAPI/Messages/AddPartialTranslationMessage.cs b/SmRtAPI/SmRtAPI/Messages/AddPartialTranslationMessage.cs
index 1045444..0aa89fd 100644
--- a/SmRtAPI/SmRtAPI/Messages/AddPartialTranslationMessage.cs
+++ b/SmRtAPI/SmRtAPI/Messages/AddPartialTranslationMessage.cs
@@ -3,7 +3,7 @@ namespace Speechmatics.Realtime.Client.Messages
 
     /// <summary>
     /// A partial translation is a translation that can be changed and expanded by a future AddTranslation or AddPartialTranslation message 
-    // and corresponds to the part of audio since the last AddTranslation message.
+    /// and corresponds to the part of audio since the last AddTranslation message.
     /// </summary>
     public class AddPartialTranslationMessage : BaseMessage
     {
diff --git a/SmRtAPI/SmRtAPI/Messages/AddTranslationMessage.cs b/SmRtAPI/SmRtAPI/Messages/AddTranslationMessage.cs
index 0a949a3..97c3df2 100644
--- a/SmRtAPI/SmRtAPI/Messages/AddTranslationMessage.cs
+++ b/SmRtAPI/SmRtAPI/Messages/AddTranslationMessage.cs
@@ -1,6 +1,8 @@
 namespace Speechmatics.Realtime.Client.Messages
 {
-
+    /// <summary>
+    /// Translation final message
+    /// </summary>
     public class TranslationSubMessage: BaseMessage 
     {
         /// <summary>
diff --git a/SmRtAPI/SmRtAPI/SmRtApiConfigBase.cs b/SmRtAPI/SmRtAPI/SmRtApiConfigBase.cs
index 76e5078..ecf048b 100644
--- a/SmRtAPI/SmRtAPI/SmRtApiConfigBase.cs
+++ b/SmRtAPI/SmRtAPI/SmRtApiConfigBase.cs
@@ -146,6 +146,9 @@ public class SmRtApiConfigBase
         /// </summary>
         public string? Domain { get; set; }
 
+        /// <summary>
+        /// Optional configuration for Translation
+        /// </summary>
         public TranslationConfig? TranslationConfig { get; set; }
 
         /// <summary>
diff --git a/SmRtAPI/Speechmatics.nuspec b/SmRtAPI/Speechmatics.nuspec
index 91b6fd3..d0b2566 100644
--- a/SmRtAPI/Speechmatics.nuspec
+++ b/SmRtAPI/Speechmatics.nuspec
@@ -2,7 +2,7 @@
 <package xmlns="http://schemas.microsoft.com/packaging/2012/06/nuspec.xsd">
 	<metadata>
 		<id>Speechmatics</id>
-		<version>1.1.0</version>
+		<version>1.1.1</version>
 		<authors>Speechmatics</authors>
 		<owners>Speechmatics</owners>
 		<readme>docs/README.md</readme>