diff --git a/index.html b/index.html
index dcd9187..69e0433 100644
--- a/index.html
+++ b/index.html
@@ -80,7 +80,7 @@ <h2>Stages</h2>
     </td>
     <td>None
     <td>Major
-    <td>Polyfills / demos
+   <td>Demos and experimental reference implementations (implementations that modify global built-in objects should not be published as libraries or used in production-deployed code; implementations that do not modify global built-in objects may be published)
   </tr>
   <tr>
     <td>2
@@ -110,7 +110,7 @@ <h2>Stages</h2>
     <td>The solution is complete and no further work is possible without implementation experience, significant usage and external feedback.
     <td>Complete: all semantics, syntax and API are completed described
     <td>Limited: only those deemed critical based on implementation experience
-    <td>Spec compliant
+    <td>Spec-compliant polyfills, engines, and any other implementations (implementations that modify global built-in objects may be tentatively published)
   </tr>
   <tr>
     <td>4