diff --git a/docs/xml/Android.Media.Session/MediaController.xml b/docs/xml/Android.Media.Session/MediaController.xml
index a7da18668..a1115fe75 100644
--- a/docs/xml/Android.Media.Session/MediaController.xml
+++ b/docs/xml/Android.Media.Session/MediaController.xml
@@ -213,7 +213,7 @@
       </ReturnValue>
       <Docs>
         <summary>Get the extras for this session.</summary>
-        <value>To be added.</value>
+        <value>The extras for this session, or null if none are set.</value>
         <remarks>
           <para>Get the extras for this session.</para>
           <para>
diff --git a/docs/xml/Android.Media.Session/MediaPlaybackType.xml b/docs/xml/Android.Media.Session/MediaPlaybackType.xml
index 7d0b3699d..f72653fbd 100644
--- a/docs/xml/Android.Media.Session/MediaPlaybackType.xml
+++ b/docs/xml/Android.Media.Session/MediaPlaybackType.xml
@@ -38,7 +38,7 @@
       </ReturnValue>
       <MemberValue>1</MemberValue>
       <Docs>
-        <summary>To be added.</summary>
+        <summary>The session uses local playback.</summary>
         <remarks>
           <para>Portions of this page are modifications based on work created and shared by the <format type="text/html"><a href="https://developers.google.com/terms/site-policies" title="Android Open Source Project">Android Open Source Project</a></format> and used according to terms described in the <format type="text/html"><a href="https://creativecommons.org/licenses/by/2.5/" title="Creative Commons 2.5 Attribution License">Creative Commons 2.5 Attribution License.</a></format></para>
         </remarks>
@@ -65,7 +65,7 @@
       </ReturnValue>
       <MemberValue>2</MemberValue>
       <Docs>
-        <summary>To be added.</summary>
+        <summary>The session uses remote playback.</summary>
         <remarks>
           <para>Portions of this page are modifications based on work created and shared by the <format type="text/html"><a href="https://developers.google.com/terms/site-policies" title="Android Open Source Project">Android Open Source Project</a></format> and used according to terms described in the <format type="text/html"><a href="https://creativecommons.org/licenses/by/2.5/" title="Creative Commons 2.5 Attribution License">Creative Commons 2.5 Attribution License.</a></format></para>
         </remarks>
diff --git a/docs/xml/Android.Media.Session/MediaSessionFlags.xml b/docs/xml/Android.Media.Session/MediaSessionFlags.xml
index ada8a12d4..3b5da7a71 100644
--- a/docs/xml/Android.Media.Session/MediaSessionFlags.xml
+++ b/docs/xml/Android.Media.Session/MediaSessionFlags.xml
@@ -44,7 +44,7 @@
       </ReturnValue>
       <MemberValue>1</MemberValue>
       <Docs>
-        <summary>To be added.</summary>
+        <summary>Indicates that the session can handle media button events. This flag is a no-op on Android 8.0 (API level 26) and later, where all media sessions are expected to handle media button events.</summary>
         <remarks>
           <para>Portions of this page are modifications based on work created and shared by the <format type="text/html"><a href="https://developers.google.com/terms/site-policies" title="Android Open Source Project">Android Open Source Project</a></format> and used according to terms described in the <format type="text/html"><a href="https://creativecommons.org/licenses/by/2.5/" title="Creative Commons 2.5 Attribution License">Creative Commons 2.5 Attribution License.</a></format></para>
         </remarks>
@@ -71,7 +71,7 @@
       </ReturnValue>
       <MemberValue>2</MemberValue>
       <Docs>
-        <summary>To be added.</summary>
+        <summary>Indicates that the session handles transport control commands through its callback. This flag is a no-op on Android 8.0 (API level 26) and later, where all media sessions are expected to handle transport controls.</summary>
         <remarks>
           <para>Portions of this page are modifications based on work created and shared by the <format type="text/html"><a href="https://developers.google.com/terms/site-policies" title="Android Open Source Project">Android Open Source Project</a></format> and used according to terms described in the <format type="text/html"><a href="https://creativecommons.org/licenses/by/2.5/" title="Creative Commons 2.5 Attribution License">Creative Commons 2.5 Attribution License.</a></format></para>
         </remarks>