fix typos.

browser.html

@@ -35,11 +35,8 @@ body > div {
   will create a real full node in your browser: your <em>browser</em> will
   connect to the p2p network and do all of the block verification/serving. It
   will maintain a mempool and wallet database.</p>
-  <p><b>Warning</b>: this will use a lot of your bandwidth, cpu, and
-  potentially disk space.</p>
-  <small><em>Note:</em> Please do not abuse the ws->tcp bridge. It blocks all
-  ports except bitcoin ports. If it is a abused, I will be forced to require a
-  proof of work for socket creation, making it slower for everyone.</small>
+  <p><b>Warning</b>: this will use a lot of your bandwidth, cpu, and potentially disk space.</p>
+  <small><em>Note:</em> Please do not abuse the ws->tcp proxy. It already blocks all ports except bitcoin ports. If it is abused, I will be forced to require a proof of work for socket creation, making it slower for everyone.</small>
   <p><a href="http://browser.bcoin.io/">Click here to start a full node on segnet4.</a></p>
 </div>