diff --git a/docs/en/next/commands.html b/docs/en/next/commands.html
index feef34fd52..1d52ddfe29 100644
--- a/docs/en/next/commands.html
+++ b/docs/en/next/commands.html
@@ -156,7 +156,7 @@
 <hr>
 <h3><a class="anchor" aria-hidden="true" id="docusaurus-start"></a><a href="#docusaurus-start" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a><code>docusaurus-start</code></h3>
 <p>Alias: <code>start</code>.</p>
-<p>This script will build the static website, apply translations if necessary, and then start a local server.</p>
+<p>This command will build the static website, apply translations if necessary, and then start a local server.</p>
 <table>
 <thead>
 <tr><th>Options</th><th>Default</th><th>Description</th></tr>
@@ -166,6 +166,9 @@
 <tr><td><code>--watch</code></td><td>-</td><td>Whether to watch the files and live reload the page when files are changed. Defaults to true. Disable this by using <code>--no-watch</code>.</td></tr>
 </tbody>
 </table>
+<p>You can specify the browser application to be opened by setting the <code>BROWSER</code> environment variable before the command, e.g.:</p>
+<pre><code class="hljs">$ <span class="hljs-attribute">BROWSER</span>=firefox yarn start
+</code></pre>
 <hr>
 <h3><a class="anchor" aria-hidden="true" id="docusaurus-version-version"></a><a href="#docusaurus-version-version" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a><code>docusaurus-version &lt;version&gt;</code></h3>
 <p>Alias: <code>version</code></p>
@@ -175,7 +178,7 @@
 <h3><a class="anchor" aria-hidden="true" id="docusaurus-write-translations"></a><a href="#docusaurus-write-translations" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a><code>docusaurus-write-translations</code></h3>
 <p>Alias: <code>write-translations</code></p>
 <p>Writes the English for any strings that need to be translated into an <code>website/i18n/en.json</code> file. The script will go through every file in <code>website/pages/en</code> and through the <code>siteConfig.js</code> file and other config files to fetch English strings that will then be translated on Crowdin. See the <a href="/docs/en/next/translation">Translation guide</a> to learn more.</p>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/en/next/versioning"><span class="arrow-prev">← </span><span>Previous</span></a><a class="docs-next button" href="/docs/en/next/doc-markdown"><span>Next</span><span class="arrow-next"> →</span></a></div><p style="font-size:12px;text-align:right"><strong>Last updated: </strong>2018-6-15 06:51:03</p></div></div><nav class="onPageNav docOnPageNav"><ul class="toc-headings"><li><a href="#running-from-the-command-line">Running from the command line</a></li><li><a href="#using-arguments">Using arguments</a></li><li><a href="#configuration">Configuration</a></li><li><a href="#commands">Commands</a></li><li><a href="#reference">Reference</a><ul class="toc-headings"><li><a href="#docusaurus-build"><code>docusaurus-build</code></a></li><li><a href="#docusaurus-examples"><code>docusaurus-examples</code></a></li><li><a href="#docusaurus-publish"><code>docusaurus-publish</code></a></li><li><a href="#docusaurus-rename-version"><code>docusaurus-rename-version</code></a></li><li><a href="#docusaurus-start"><code>docusaurus-start</code></a></li><li><a href="#docusaurus-version-version"><code>docusaurus-version</code></a></li><li><a href="#docusaurus-write-translations"><code>docusaurus-write-translations</code></a></li></ul></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/docusaurus_monochrome.svg" alt="Docusaurus" width="66" height="58"/></a><div class="footerSection"><h5>Docs</h5><a href="
+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/en/next/versioning"><span class="arrow-prev">← </span><span>Previous</span></a><a class="docs-next button" href="/docs/en/next/doc-markdown"><span>Next</span><span class="arrow-next"> →</span></a></div><p style="font-size:12px;text-align:right"><strong>Last updated: </strong>2018-10-14 19:28:50</p></div></div><nav class="onPageNav docOnPageNav"><ul class="toc-headings"><li><a href="#running-from-the-command-line">Running from the command line</a></li><li><a href="#using-arguments">Using arguments</a></li><li><a href="#configuration">Configuration</a></li><li><a href="#commands">Commands</a></li><li><a href="#reference">Reference</a><ul class="toc-headings"><li><a href="#docusaurus-build"><code>docusaurus-build</code></a></li><li><a href="#docusaurus-examples"><code>docusaurus-examples</code></a></li><li><a href="#docusaurus-publish"><code>docusaurus-publish</code></a></li><li><a href="#docusaurus-rename-version"><code>docusaurus-rename-version</code></a></li><li><a href="#docusaurus-start"><code>docusaurus-start</code></a></li><li><a href="#docusaurus-version-version"><code>docusaurus-version</code></a></li><li><a href="#docusaurus-write-translations"><code>docusaurus-write-translations</code></a></li></ul></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/docusaurus_monochrome.svg" alt="Docusaurus" width="66" height="58"/></a><div class="footerSection"><h5>Docs</h5><a href="
                 /docs/en/installation">Getting Started</a><a href="
                 /docs/en/versioning">Versioning</a><a href="
                 /docs/en/translation">Localization</a><a href="
diff --git a/docs/en/next/commands/index.html b/docs/en/next/commands/index.html
index feef34fd52..1d52ddfe29 100644
--- a/docs/en/next/commands/index.html
+++ b/docs/en/next/commands/index.html
@@ -156,7 +156,7 @@
 <hr>
 <h3><a class="anchor" aria-hidden="true" id="docusaurus-start"></a><a href="#docusaurus-start" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a><code>docusaurus-start</code></h3>
 <p>Alias: <code>start</code>.</p>
-<p>This script will build the static website, apply translations if necessary, and then start a local server.</p>
+<p>This command will build the static website, apply translations if necessary, and then start a local server.</p>
 <table>
 <thead>
 <tr><th>Options</th><th>Default</th><th>Description</th></tr>
@@ -166,6 +166,9 @@
 <tr><td><code>--watch</code></td><td>-</td><td>Whether to watch the files and live reload the page when files are changed. Defaults to true. Disable this by using <code>--no-watch</code>.</td></tr>
 </tbody>
 </table>
+<p>You can specify the browser application to be opened by setting the <code>BROWSER</code> environment variable before the command, e.g.:</p>
+<pre><code class="hljs">$ <span class="hljs-attribute">BROWSER</span>=firefox yarn start
+</code></pre>
 <hr>
 <h3><a class="anchor" aria-hidden="true" id="docusaurus-version-version"></a><a href="#docusaurus-version-version" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a><code>docusaurus-version &lt;version&gt;</code></h3>
 <p>Alias: <code>version</code></p>
@@ -175,7 +178,7 @@
 <h3><a class="anchor" aria-hidden="true" id="docusaurus-write-translations"></a><a href="#docusaurus-write-translations" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a><code>docusaurus-write-translations</code></h3>
 <p>Alias: <code>write-translations</code></p>
 <p>Writes the English for any strings that need to be translated into an <code>website/i18n/en.json</code> file. The script will go through every file in <code>website/pages/en</code> and through the <code>siteConfig.js</code> file and other config files to fetch English strings that will then be translated on Crowdin. See the <a href="/docs/en/next/translation">Translation guide</a> to learn more.</p>
-</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/en/next/versioning"><span class="arrow-prev">← </span><span>Previous</span></a><a class="docs-next button" href="/docs/en/next/doc-markdown"><span>Next</span><span class="arrow-next"> →</span></a></div><p style="font-size:12px;text-align:right"><strong>Last updated: </strong>2018-6-15 06:51:03</p></div></div><nav class="onPageNav docOnPageNav"><ul class="toc-headings"><li><a href="#running-from-the-command-line">Running from the command line</a></li><li><a href="#using-arguments">Using arguments</a></li><li><a href="#configuration">Configuration</a></li><li><a href="#commands">Commands</a></li><li><a href="#reference">Reference</a><ul class="toc-headings"><li><a href="#docusaurus-build"><code>docusaurus-build</code></a></li><li><a href="#docusaurus-examples"><code>docusaurus-examples</code></a></li><li><a href="#docusaurus-publish"><code>docusaurus-publish</code></a></li><li><a href="#docusaurus-rename-version"><code>docusaurus-rename-version</code></a></li><li><a href="#docusaurus-start"><code>docusaurus-start</code></a></li><li><a href="#docusaurus-version-version"><code>docusaurus-version</code></a></li><li><a href="#docusaurus-write-translations"><code>docusaurus-write-translations</code></a></li></ul></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/docusaurus_monochrome.svg" alt="Docusaurus" width="66" height="58"/></a><div class="footerSection"><h5>Docs</h5><a href="
+</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/en/next/versioning"><span class="arrow-prev">← </span><span>Previous</span></a><a class="docs-next button" href="/docs/en/next/doc-markdown"><span>Next</span><span class="arrow-next"> →</span></a></div><p style="font-size:12px;text-align:right"><strong>Last updated: </strong>2018-10-14 19:28:50</p></div></div><nav class="onPageNav docOnPageNav"><ul class="toc-headings"><li><a href="#running-from-the-command-line">Running from the command line</a></li><li><a href="#using-arguments">Using arguments</a></li><li><a href="#configuration">Configuration</a></li><li><a href="#commands">Commands</a></li><li><a href="#reference">Reference</a><ul class="toc-headings"><li><a href="#docusaurus-build"><code>docusaurus-build</code></a></li><li><a href="#docusaurus-examples"><code>docusaurus-examples</code></a></li><li><a href="#docusaurus-publish"><code>docusaurus-publish</code></a></li><li><a href="#docusaurus-rename-version"><code>docusaurus-rename-version</code></a></li><li><a href="#docusaurus-start"><code>docusaurus-start</code></a></li><li><a href="#docusaurus-version-version"><code>docusaurus-version</code></a></li><li><a href="#docusaurus-write-translations"><code>docusaurus-write-translations</code></a></li></ul></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/docusaurus_monochrome.svg" alt="Docusaurus" width="66" height="58"/></a><div class="footerSection"><h5>Docs</h5><a href="
                 /docs/en/installation">Getting Started</a><a href="
                 /docs/en/versioning">Versioning</a><a href="
                 /docs/en/translation">Localization</a><a href="