Apply suggestions from code review

files/en-us/learn/common_questions/tools_and_setup/available_text_editors/index.md

@@ -284,10 +284,7 @@ Here are some popular editors:
         >, <a href="mailto:[email protected]">Email</a>
       </td>
       <td>
-        <a href="https://macromates.com/manual/en/">Online Manual</a>,
-        <a href="https://macromates.com" rel="external"
-          >Wiki</a
-        >
+        <a href="https://macromates.com/manual/en/">Online Manual</a>
       </td>
       <td>
         <a href="https://macromates.com/textmate/manual/bundles" rel="external"
@@ -428,7 +425,7 @@ If you like _lots_ of features and your editor is slowing down because of all yo
 - [Aptana Studio](https://www.axway.com/en/aptana)
 - [Eclipse](https://www.eclipse.org/)
 - [Komodo IDE](https://www.activestate.com/products/komodo-ide/)
-- [NetBeans IDE](https://netbeans.apache.org/front/main/index.html)
+- [NetBeans IDE](https://netbeans.apache.org/)
 - [Visual Studio](https://visualstudio.microsoft.com/)
 - [WebStorm](https://www.jetbrains.com/webstorm/)
 

files/en-us/learn/common_questions/tools_and_setup/how_much_does_it_cost/index.md

@@ -46,7 +46,7 @@ When launching a website, you may spend nothing, or your costs may go through th
 
 You likely have a text editor: such as, Notepad on Windows, Gedit on Linux, TextEdit on Mac. You'll have an easier time writing code if you choose an editor that color-codes, checks your syntax, and assists you with code structure.
 
-Many editors are free, for example [Brackets](https://brackets.io/), [Bluefish](https://bluefish.openoffice.nl/index.html), [TextWrangler](https://www.barebones.com/products/textwrangler/), [Eclipse](https://www.eclipse.org/), [Netbeans](https://netbeans.apache.org/front/main/index.html), and [Visual Studio Code](https://code.visualstudio.com/). Some, like [Sublime Text](https://www.sublimetext.com/), you can test as long as you like, but you're encouraged to pay. Some, like [PhpStorm](https://www.jetbrains.com/phpstorm/), can cost between a few dozen and 200 dollars, depending on the plan you purchase. Some of them, like [Microsoft Visual Studio](https://visualstudio.microsoft.com/), can cost hundreds, or thousands of dollars; though Visual Studio Community is free for individual developers or open source projects. Often, for-pay editors will have a trial version.
+Many editors are free, for example [Brackets](https://brackets.io/), [Bluefish](https://bluefish.openoffice.nl/index.html), [TextWrangler](https://www.barebones.com/products/textwrangler/), [Eclipse](https://www.eclipse.org/), [Netbeans](https://netbeans.apache.org/), and [Visual Studio Code](https://code.visualstudio.com/). Some, like [Sublime Text](https://www.sublimetext.com/), you can test as long as you like, but you're encouraged to pay. Some, like [PhpStorm](https://www.jetbrains.com/phpstorm/), can cost between a few dozen and 200 dollars, depending on the plan you purchase. Some of them, like [Microsoft Visual Studio](https://visualstudio.microsoft.com/), can cost hundreds, or thousands of dollars; though Visual Studio Community is free for individual developers or open source projects. Often, for-pay editors will have a trial version.
 
 To start, we suggest trying out several editors, to get a sense of which works best for you. If you're only writing simple {{Glossary("HTML")}}, {{Glossary("CSS")}}, and {{Glossary("JavaScript")}}, go with a simple editor.
 

files/en-us/mozilla/firefox/releases/51/index.md

@@ -94,7 +94,7 @@ Firefox 51 was released on January 24, 2017. This article lists key changes that
 - Scripts served with an `image/*`, `video/*`, `audio/*` or `text/csv` MIME type are now blocked and are not loaded or executed. This happen when they are declared using {{HTMLElement("script")}}, or loaded via {{domxref("Worker.importScripts()")}}, {{domxref("Worker.Worker","Worker()")}}, {{domxref("SharedWorker.SharedWorker", "SharedWorker()")}} ([Firefox bug 1229267](https://bugzil.la/1229267) and [Firefox bug 1288361](https://bugzil.la/1288361)).
 - Support for SHA-1 certificates from publicly-trusted certificate authorities has been removed ([Firefox bug 1302140](https://bugzil.la/1302140)). See also [Phasing Out SHA-1 on the Public Web](https://blog.mozilla.org/security/2016/10/18/phasing-out-sha-1-on-the-public-web/) for more information.
 - New WoSign and StartCom certificates will no longer be accepted ([Firefox bug 1309707](https://bugzil.la/1309707)), see [Distrusting New WoSign and StartCom Certificates](https://blog.mozilla.org/security/2016/10/24/distrusting-new-wosign-and-startcom-certificates/) for more information.
-- The [PAC](</en-US/docs/Mozilla/Projects/Necko/Proxy_Auto-Configuration_(PAC)_file>) `FindProxyForURL(url, host)` function now strips paths and queries from https\:// URLs to avoid information leakage (see [Firefox bug 1255474](https://bugzil.la/1255474), sniffing HTTPS URLS with malicious PAC files, or `CVE-2017-5384`).
+- The [PAC](</en-US/docs/Mozilla/Projects/Necko/Proxy_Auto-Configuration_(PAC)_file>) `FindProxyForURL(url, host)` function now strips paths and queries from https\:// URLs to avoid information leakage (see [Firefox bug 1255474](https://bugzil.la/1255474) and [CVE-2017-5384](https://nvd.nist.gov/vuln/detail/CVE-2017-5384)).
 
 ### XHR