Add migration to WebAssembly information to PNaCl / NaCl docs.

native_client_sdk/doc_generated/help.html

Index: native_client_sdk/doc_generated/help.html
diff --git a/native_client_sdk/doc_generated/help.html b/native_client_sdk/doc_generated/help.html
index c459fe09214ba0cea967b77725a98a3294901f55..f8afc8bd92f00557c1797cfdb29c29be053c9409 100644
--- a/native_client_sdk/doc_generated/help.html
+++ b/native_client_sdk/doc_generated/help.html
@@ -1,7 +1,15 @@
 {{+bindTo:partials.standard_nacl_article}}
 
-<section id="help-with-nacl">
-<span id="help"></span><h1 id="help-with-nacl"><span id="help"></span>Help with NaCl</h1>
+<b><font color="#cc0000">
+NOTE:
+Deprecation of the technologies described here has been announced
+for platforms other than ChromeOS.<br/>
+Please visit our
+<a href="/native-client/migration">migration guide</a>
+for details.
+</font></b>
+<hr/><section id="help-with-nacl">
+<h1 id="help-with-nacl">Help with NaCl</h1>
 <p>Check the documentation resources below for help with common issues and
 problems. For additional questions, reach out to the Native Client
 community in the forums below. You can also <a class="reference internal" href="#report-issue"><em>report new issues</em></a> using the Native Client issue tracker.</p>