Extensions docs, declarativeWebRequest: notice being on hold

chrome/common/extensions/api/declarative_web_request.json

Index: chrome/common/extensions/api/declarative_web_request.json
diff --git a/chrome/common/extensions/api/declarative_web_request.json b/chrome/common/extensions/api/declarative_web_request.json
index 77bdb1e36dd805e3a4b6bde9bcb84c6ab379560f..8a306afaf135b79a8e62edc58d66e7a94a055bab 100644
--- a/chrome/common/extensions/api/declarative_web_request.json
+++ b/chrome/common/extensions/api/declarative_web_request.json
@@ -5,7 +5,7 @@
 [
   {
     "namespace": "declarativeWebRequest",
-    "description": "Use the <code>chrome.declarativeWebRequest</code> API to intercept, block, or modify requests in-flight. It is significantly faster than the <a href='webRequest.html'><code>chrome.webRequest</code> API</a> because you can register rules that are evaluated in the browser rather than the JavaScript engine with reduces roundtrip latencies and allows higher efficiency.",
+    "description": "<em><strong>Note:</strong> this API is currently on hold, without concrete plans to move to stable.</em> Use the <code>chrome.declarativeWebRequest</code> API to intercept, block, or modify requests in-flight. It is significantly faster than the <a href='webRequest.html'><code>chrome.webRequest</code> API</a> because you can register rules that are evaluated in the browser rather than the JavaScript engine with reduces roundtrip latencies and allows higher efficiency.",
     "types": [
       {
         "id": "HeaderFilter",