diff --git a/CryptoExchange.Net/CryptoExchange.Net.xml b/CryptoExchange.Net/CryptoExchange.Net.xml
index 45fcd78..c19f104 100644
--- a/CryptoExchange.Net/CryptoExchange.Net.xml
+++ b/CryptoExchange.Net/CryptoExchange.Net.xml
@@ -1669,6 +1669,11 @@
             List of bids
             </summary>
         </member>
+        <member name="T:CryptoExchange.Net.OrderBook.ProcessBufferSingleSequenceEntry">
+            <summary>
+            Buffer entry with a single update id per update
+            </summary>
+        </member>
         <member name="P:CryptoExchange.Net.OrderBook.ProcessBufferSingleSequenceEntry.UpdateId">
             <summary>
             First update id
@@ -1684,6 +1689,11 @@
             List of bids
             </summary>
         </member>
+        <member name="T:CryptoExchange.Net.OrderBook.ProcessBufferRangeSequenceEntry">
+            <summary>
+            Buffer entry with a first and last update id
+            </summary>
+        </member>
         <member name="P:CryptoExchange.Net.OrderBook.ProcessBufferRangeSequenceEntry.FirstUpdateId">
             <summary>
             First update id
diff --git a/CryptoExchange.Net/OrderBook/ProcessBufferEntry.cs b/CryptoExchange.Net/OrderBook/ProcessBufferEntry.cs
index b5ebfe9..3cf64bc 100644
--- a/CryptoExchange.Net/OrderBook/ProcessBufferEntry.cs
+++ b/CryptoExchange.Net/OrderBook/ProcessBufferEntry.cs
@@ -18,6 +18,9 @@ namespace CryptoExchange.Net.OrderBook
         public IEnumerable<ISymbolOrderSequencedBookEntry> Bids { get; set; } = new List<ISymbolOrderSequencedBookEntry>();
     }
 
+    /// <summary>
+    /// Buffer entry with a single update id per update
+    /// </summary>
     public class ProcessBufferSingleSequenceEntry
     {
         /// <summary>
@@ -34,6 +37,9 @@ namespace CryptoExchange.Net.OrderBook
         public IEnumerable<ISymbolOrderBookEntry> Bids { get; set; } = new List<ISymbolOrderBookEntry>();
     }
 
+    /// <summary>
+    /// Buffer entry with a first and last update id
+    /// </summary>
     public class ProcessBufferRangeSequenceEntry
     {
         /// <summary>