diff --git a/src/Twilio/JWT/Client/EventStreamScope.cs b/src/Twilio/JWT/Client/EventStreamScope.cs
index fd6d6145b..2b4987d8e 100644
--- a/src/Twilio/JWT/Client/EventStreamScope.cs
+++ b/src/Twilio/JWT/Client/EventStreamScope.cs
@@ -10,7 +10,7 @@
 namespace Twilio.Jwt.Client
 {
     /// <summary>
-    /// Event stream scope for client capabilites
+    /// Event stream scope for client capabilities
     /// </summary>
     public class EventStreamScope : IScope
     {
diff --git a/src/Twilio/JWT/Client/IncomingClientScope.cs b/src/Twilio/JWT/Client/IncomingClientScope.cs
index 0bdba7837..a30a8f389 100644
--- a/src/Twilio/JWT/Client/IncomingClientScope.cs
+++ b/src/Twilio/JWT/Client/IncomingClientScope.cs
@@ -3,7 +3,7 @@
 namespace Twilio.Jwt.Client
 {
     /// <summary>
-    /// Incoming client scope for client capabilites
+    /// Incoming client scope for client capabilities
     /// </summary>
     public class IncomingClientScope : IScope
     {
diff --git a/src/Twilio/Types/PhoneNumberCapabilities.cs b/src/Twilio/Types/PhoneNumberCapabilities.cs
index e46fe25f5..1d6b70026 100644
--- a/src/Twilio/Types/PhoneNumberCapabilities.cs
+++ b/src/Twilio/Types/PhoneNumberCapabilities.cs
@@ -3,7 +3,7 @@
 namespace Twilio.Types
 {
     /// <summary>
-    /// Capabilites of a phone number
+    /// Capabilities of a phone number
     /// </summary>
     public class PhoneNumberCapabilities
     {
@@ -25,17 +25,25 @@ public class PhoneNumberCapabilities
         [JsonProperty("voice")]
         public bool Voice { get; }
 
+        /// <summary>
+        /// Fax capable
+        /// </summary>
+        [JsonProperty("fax")]
+        public bool Fax { get; }
+
         /// <summary>
         /// Create a new PhoneNumberCapability
         /// </summary>
         /// <param name="mms">MMS capable</param>
         /// <param name="sms">SMS capable</param>
         /// <param name="voice">Voice capable</param>
-        public PhoneNumberCapabilities (bool mms, bool sms, bool voice)
+        /// <param name="fax">Fax capable</param>
+        public PhoneNumberCapabilities (bool mms, bool sms, bool voice, bool fax)
         {
             Mms = mms;
             Sms = sms;
             Voice = voice;
+            Fax = fax;
         }
     }
 }