[fidldoc] Updating fidldocs
diff --git a/sdk/fidl/README.md b/sdk/fidl/README.md
index edd0cb8..3a5ab4a 100644
--- a/sdk/fidl/README.md
+++ b/sdk/fidl/README.md
@@ -492,10 +492,6 @@
     <td></td>
 </tr>
 <tr>
-    <td><a href="fuchsia.simplecamera/index">fuchsia.simplecamera</a></td>
-    <td></td>
-</tr>
-<tr>
     <td><a href="fuchsia.space/index">fuchsia.space</a></td>
     <td></td>
 </tr>
diff --git a/sdk/fidl/_toc.yaml b/sdk/fidl/_toc.yaml
index 003df64..e632f75 100644
--- a/sdk/fidl/_toc.yaml
+++ b/sdk/fidl/_toc.yaml
@@ -237,8 +237,6 @@
   path: /reference/fidl/fuchsia.settings
 - title: fuchsia.setui
   path: /reference/fidl/fuchsia.setui
-- title: fuchsia.simplecamera
-  path: /reference/fidl/fuchsia.simplecamera
 - title: fuchsia.space
   path: /reference/fidl/fuchsia.space
 - title: fuchsia.stash
diff --git a/sdk/fidl/fuchsia.pkg/README.md b/sdk/fidl/fuchsia.pkg/README.md
index d6a74f1..69b8519 100644
--- a/sdk/fidl/fuchsia.pkg/README.md
+++ b/sdk/fidl/fuchsia.pkg/README.md
@@ -486,7 +486,7 @@
 
 
 ## RepositoryIterator {#RepositoryIterator}
-*Defined in [fuchsia.pkg/repo.fidl](https://fuchsia.googlesource.com/fuchsia/+/master/sdk/fidl/fuchsia.pkg/repo.fidl#132)*
+*Defined in [fuchsia.pkg/repo.fidl](https://fuchsia.googlesource.com/fuchsia/+/master/sdk/fidl/fuchsia.pkg/repo.fidl#146)*
 
 <p>The iterator over all the repositories defined in a <code>PackageResolver</code>.</p>
 
@@ -714,7 +714,8 @@
             <td>
                 <code>vector&lt;<a class='link' href='#RepositoryKeyConfig'>RepositoryKeyConfig</a>&gt;</code>
             </td>
-            <td><p>A vector of public keys. Required.</p>
+            <td><p>A vector of public keys that have signed the initial trusted root
+metadata. Required.</p>
 <p>These keys must match one of the trusted keys known to the system.</p>
 </td>
         </tr><tr>
@@ -734,12 +735,28 @@
             <td><p>The package URL of the system update package. Optional.</p>
 <p>Only used for the fuchsia-pkg://fuchsia.com/ repo.</p>
 </td>
+        </tr><tr>
+            <td>5</td>
+            <td><code>root_version</code></td>
+            <td>
+                <code>uint32</code>
+            </td>
+            <td><p>The initial trusted root metadata version. Optional, defaulting to 1.</p>
+<p>This value describes the initial root metadata version the resolver will
+fetch to initialize trust, once it's signatures has been verified by the
+<code>root_keys</code>. It will then walk the chain of N+1, N+2, and etc to the
+latest version before the resolver fetches any targets.</p>
+<p>It is recommended that this <code>root_version</code> number and <code>root_keys </code> are
+kept reasonably in sync with the most recent published version of the
+root metadata, as that avoids the risk of an old and unused root key
+being used to compromise resolvers during the trust initialization.</p>
+</td>
         </tr></table>
 
 ### MirrorConfig {#MirrorConfig}
 
 
-*Defined in [fuchsia.pkg/repo.fidl](https://fuchsia.googlesource.com/fuchsia/+/master/sdk/fidl/fuchsia.pkg/repo.fidl#116)*
+*Defined in [fuchsia.pkg/repo.fidl](https://fuchsia.googlesource.com/fuchsia/+/master/sdk/fidl/fuchsia.pkg/repo.fidl#130)*
 
 <p>Describes the configuration necessary to connect to a mirror.</p>
 
@@ -788,7 +805,7 @@
 ## **XUNIONS**
 
 ### RepositoryKeyConfig {#RepositoryKeyConfig}
-*Defined in [fuchsia.pkg/repo.fidl](https://fuchsia.googlesource.com/fuchsia/+/master/sdk/fidl/fuchsia.pkg/repo.fidl#102)*
+*Defined in [fuchsia.pkg/repo.fidl](https://fuchsia.googlesource.com/fuchsia/+/master/sdk/fidl/fuchsia.pkg/repo.fidl#116)*
 
 <p>Describes the keys used by the repository to authenticate it's packages.</p>
 <p>The only supported algorithm at the moment is ed25519.</p>
@@ -804,7 +821,7 @@
         </tr></table>
 
 ### RepositoryBlobKey {#RepositoryBlobKey}
-*Defined in [fuchsia.pkg/repo.fidl](https://fuchsia.googlesource.com/fuchsia/+/master/sdk/fidl/fuchsia.pkg/repo.fidl#110)*
+*Defined in [fuchsia.pkg/repo.fidl](https://fuchsia.googlesource.com/fuchsia/+/master/sdk/fidl/fuchsia.pkg/repo.fidl#124)*
 
 <p>Describes a key used to decrypt blobs.</p>
 <p>The only supported algorithm at the moment is aes.</p>
diff --git a/sdk/fidl/fuchsia.simplecamera/README.md b/sdk/fidl/fuchsia.simplecamera/README.md
deleted file mode 100644
index 33877b7..0000000
--- a/sdk/fidl/fuchsia.simplecamera/README.md
+++ /dev/null
@@ -1,51 +0,0 @@
-[TOC]
-
-# fuchsia.simplecamera
-
-
-## **PROTOCOLS**
-
-## SimpleCamera {#SimpleCamera}
-*Defined in [fuchsia.simplecamera/simple_camera.fidl](https://fuchsia.googlesource.com/fuchsia/+/master/sdk/fidl/fuchsia.simplecamera/simple_camera.fidl#12)*
-
-<p>Simple camera interface.  This will be deprecated when
-CameraManager replaces it.</p>
-
-### ConnectToCamera {#ConnectToCamera}
-
-<p>Connect to a camera using the first enumerated format.
-The device opened will be /dev/class/camera/camera_id</p>
-
-#### Request
-<table>
-    <tr><th>Name</th><th>Type</th></tr>
-    <tr>
-            <td><code>camera_id</code></td>
-            <td>
-                <code>uint32</code>
-            </td>
-        </tr><tr>
-            <td><code>image_pipe</code></td>
-            <td>
-                <code><a class='link' href='../fuchsia.images/'>fuchsia.images</a>/<a class='link' href='../fuchsia.images/#ImagePipe'>ImagePipe</a></code>
-            </td>
-        </tr></table>
-
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