diff --git a/CHANGES.md b/CHANGES.md
index fef6abd..e181390 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,3 +1,7 @@
+# 4.7.1
+
+* Updates docs comments for `Broadcasts` and `Sip` [#266](https://github.com/opentok/OpenTok-Ruby-SDK/pull/266)
+
 # 4.7.0
 
 * Adds support for the End-to-end encryption (E2EE) feature [#259](https://github.com/opentok/OpenTok-Ruby-SDK/pull/259)
diff --git a/lib/opentok/broadcast.rb b/lib/opentok/broadcast.rb
index 97d2bd5..c50ed64 100644
--- a/lib/opentok/broadcast.rb
+++ b/lib/opentok/broadcast.rb
@@ -19,6 +19,15 @@ module OpenTok
   # @attr [int] updated_at
   #   For this start method, this timestamp matches the createdAt timestamp.
   #
+  # @attr [int] maxBitRate
+  #   The maximum bitrate for the broadcast stream(s), in bits per second.
+  #
+  # @attr [boolean] hasAudio
+  #   The broadcast has audio enabled
+  #
+  # @attr [boolean] hasVideo
+  #   The broadcast has video enabled
+  #
   # @attr [string] resolution
   #   The resolution of the broadcast: either "640x480" (SD landscape, the default), "1280x720" (HD landscape),
   #   "1920x1080" (FHD landscape), "480x640" (SD portrait), "720x1280" (HD portrait), or "1080x1920" (FHD portrait).
@@ -33,6 +42,12 @@ module OpenTok
   #   You can include HLS, RTMP, or both as broadcast streams. If you include RTMP streaming,
   #   you can specify up to five target RTMP streams (or just one).
   #   The (<code>:hls</code>)  property is set  to an empty [Hash] object. The HLS URL is returned in the response.
+  #   The `hlsStatus` property is set to one of the following:
+  #     - "connecting" — The OpenTok server is in the process of starting transcoders. This is the initial state.
+  #     - "ready" — The OpenTok server has succesfully initialized but the CDN is not consuming media.
+  #     - "live" — The OpenTok server has succesfully initialized and the CDN is consuming media.
+  #     - "ended" — The source stream has ended. If DVR is enabled and pre-recorded media is requested, then the status will transition to "live".
+  #     - "error" — There is an error in the OpenTok platform.
   #   The (<code>:rtmp</code>)  property is set  to an [Array] of Rtmp [Hash] properties.
   #   For each RTMP stream, specify (<code>:serverUrl</code>) for the RTMP server URL,
   #   (<code>:streamName</code>) such as the YouTube Live stream name or the Facebook stream key),
diff --git a/lib/opentok/broadcasts.rb b/lib/opentok/broadcasts.rb
index e93b311..18699b3 100644
--- a/lib/opentok/broadcasts.rb
+++ b/lib/opentok/broadcasts.rb
@@ -37,12 +37,16 @@ def initialize(client)
     #   If you do not specify an initial layout type, the broadcast uses the best fit
     #   layout type.
     #
-    # @option options [String] :multiBroadcastTag (Optional) Set this to support multiple broadcasts for the same session simultaneously. 
-    #   Set this to a unique string for each simultaneous broadcast of an ongoing session. Note that the `multiBroadcastTag` value is *not* included 
-    #   in the response for the methods to {https://tokbox.com/developer/rest/#list_broadcasts list live streaming broadcasts} and 
-    #   {https://tokbox.com/developer/rest/#get_info_broadcast get information about a live streaming broadcast}. 
+    # @option options [String] :multiBroadcastTag (Optional) Set this to support multiple broadcasts for the same session simultaneously.
+    #   Set this to a unique string for each simultaneous broadcast of an ongoing session. Note that the `multiBroadcastTag` value is *not* included
+    #   in the response for the methods to {https://tokbox.com/developer/rest/#list_broadcasts list live streaming broadcasts} and
+    #   {https://tokbox.com/developer/rest/#get_info_broadcast get information about a live streaming broadcast}.
     #   {https://tokbox.com/developer/guides/broadcast/live-streaming#simultaneous-broadcasts See Simultaneous broadcasts}.
     #
+    # @option options [int] maxBitRate
+    #   The maximum bitrate for the broadcast stream(s), in bits per second.
+    #   The minimum value is 100,000 and the maximum is 6,000,000.
+    #
     # @option options [int] maxDuration
     #   The maximum duration for the broadcast, in seconds. The broadcast will automatically stop when
     #   the maximum duration is reached. You can set the maximum duration to a value from 60 (60 seconds) to 36000 (10 hours).
@@ -95,6 +99,10 @@ def initialize(client)
     #   on {https://tokbox.com/developer/guides/archive-broadcast-layout/#stream-prioritization-rules stream prioritization rules}.
     #   Important: this feature is currently available in the Standard environment only.
     #
+    # @option options [Boolean] :hasAudio Whether the broadcast has audio (default `true`)
+    #
+    # @option options [Boolean] :hasVideo Whether the broadcast has video (default `true`)
+    #
     # @return [Broadcast] The broadcast object, which includes properties defining the broadcast,
     #   including the broadcast ID.
     #
diff --git a/lib/opentok/sip.rb b/lib/opentok/sip.rb
index 592213e..22506ae 100644
--- a/lib/opentok/sip.rb
+++ b/lib/opentok/sip.rb
@@ -38,13 +38,15 @@ class Sip
     # @option opts  [true, false] :secure Whether the media must be transmitted
     #   encrypted (​true​) or not (​false​, the default).
     # @option opts  [true, false] :video Whether the SIP call will include
-    # video (​true​) or not (​false​, the default). With video included, the SIP
-    # client's video is included in the OpenTok stream that is sent to the
-    # OpenTok session. The SIP client will receive a single composed video of
-    # the published streams in the OpenTok session.
+    #  video (​true​) or not (​false​, the default). With video included, the SIP
+    #  client's video is included in the OpenTok stream that is sent to the
+    #  OpenTok session. The SIP client will receive a single composed video of
+    #  the published streams in the OpenTok session.
     # @option opts  [true, false] :observe_force_mute Whether the SIP end point
-    # observes {https://tokbox.com/developer/guides/moderation/#force_mute force mute moderation}
-    # (true) or not (false, the default).
+    #  observes {https://tokbox.com/developer/guides/moderation/#force_mute force mute moderation}
+    #  (true) or not (false, the default).
+    # @option opts [Array] :streams An array of stream IDs for streams to include in the SIP call.
+    #   If you do not set this property, all streams in the session are included in the call.
     def dial(session_id, token, sip_uri, opts)
       response = @client.dial(session_id, token, sip_uri, opts)
     end
diff --git a/lib/opentok/version.rb b/lib/opentok/version.rb
index be1ffff..faf23df 100644
--- a/lib/opentok/version.rb
+++ b/lib/opentok/version.rb
@@ -1,4 +1,4 @@
 module OpenTok
   # @private
-  VERSION = '4.7.0'
+  VERSION = '4.7.1'
 end