diff --git a/README.md b/README.md
index 4b35be5b..3658a25a 100644
--- a/README.md
+++ b/README.md
@@ -23,7 +23,7 @@ Directories that contain only content
   </tr>
   <tr>
     <td>_common</td>
-    <td>Contains several shell fills that redirect to our reference documentation sites such as Javascript, IOS, and so forth.  The reference docs are linked from the developer, core, and Gaia menus.</td>
+    <td>Contains several shell files that redirect to our reference documentation sites such as Javascript, IOS, and so forth.  The reference docs are linked from the developer, core, and Gaia menus.</td>
     <td>Each of these references are generated by their respective repos, core.blockstack.org from <code>blockstack-core</code>, Javascript docs from the <code>blockstack.js</code> and so forth.</td>
   </tr>
   <tr>
@@ -43,13 +43,13 @@ Directories that contain only content
   </tr>
     <tr>
     <td>_ios</td>
-    <td></td>
+    <td>SDK tutorial. Part of the <a href="https://github.com/blockstack/docs.blockstack/blob/master/_data/navigation_learn.yml">developer menu</a>.</td>
     <td><a href="https://github.com/blockstack/blockstack-ios">https://github.com/blockstack/blockstack-ios</a></td>
   </tr>
   <tr>
     <td>_org</td>
-    <td></td>
-    <td></td>
+    <td>Information for Stacks holders and people curious about what Blockstack does. User docs controlled by in the the <a href="https://github.com/blockstack/docs.blockstack/blob/master/_data/navigation_org.yml">organization menu</a></td>
+    <td>Not associated with any repository.</td>
   <tr>
     <td>_storage</td>
     <td></td>