Shorten landing page

Related to #843

wiki/en/misc/1-index.html

@@ -6,7 +6,7 @@
 ldjAppCategory: "Music"
 ldjSlogan: "Play music online. With friends. For free."
 ldjCreator: "Volker Fischer and contributors"
-metadescription: "Jamulus is open source software that lets musicians perform music, rehearse or just jam together, all in real time over the Internet."
+metadescription: "Jamulus is free and open source software that lets musicians perform music, rehearse or jam together, in real time over the Internet."
 mAltProgIcon: "Jamulus icon"
 mTSlogan: "Play music online. With friends. For free."
 mTGetStartedNow: "Get started now!"
@@ -17,7 +17,7 @@
   <div class="fx-col-100-xs">
     <div itemprop="abstract">
       <h2>What is Jamulus?</h2>
-       Jamulus is for playing, rehearsing, or just jamming with your friends, your band or just anyone you find online. With high quality, low-latency sound on a normal broadband connection, it's easy to play together remotely and in time. <a href="wiki/Getting-Started" target="_blank" rel="noreferrer">Download it here</a>!
+       Jamulus is a software for playing, rehearsing, or jamming with your friends, your band or anyone you find online. Play together remotely in time with high quality, low-latency sound on a normal broadband connection. <a href="wiki/Getting-Started" target="_blank" rel="noreferrer">Download it here</a>!
     </div>
   </div>
 </div>
@@ -31,24 +31,24 @@ <h2>What is Jamulus?</h2>
 <div class="fx-row fx-row-center-xs">
   <div class="fx-col-100-xs fx-col-50-l">
      <h2>Jamulus worldwide</h2>
-    All over the world Jamulus allows huge choirs to rehearse, loud rock bands to play, and brings folk and classical musicians together. It's being used for remote music lessons,
-    in schools and universities, in private and in public. Even just for the spoken word – all in real time on the Internet, as if you were there in person.
+    All over the world Jamulus allows choirs to rehearse, rock bands to play and brings folk and classical musicians together. It's being used for remote music lessons,
+    in schools and universities, in private and in public — all in real time on the Internet, as if you were there in person.
     <h2>Help needed?</h2>
     <p>
-      Have a look at the <a href="wiki/Getting-Started" target="_blank" rel="noreferrer">documentation</a>. Especially consider the <a href="wiki/Client-Troubleshooting"
+      Check out at the <a href="wiki/Getting-Started" target="_blank" rel="noreferrer">documentation</a> and consider the <a href="wiki/Client-Troubleshooting"
         target="_blank" rel="noreferrer">troubleshooting section</a>!
       You can also ask on the <a href="https://github.com/jamulussoftware/jamulus/discussions" target="_blank" rel="noreferrer">forums</a>.
     </p>
   </div>
   <div class="fx-col-100-xs fx-col-50-l">
     <h2>Want to get involved?</h2>
     <p>
-    Ideas? Found a bug? Want to contribute some code or help translating into your language? Since Jamulus is <a href="https://www.gnu.org/philosophy/free-sw.en.html" target="_blank" rel="noreferrer" title="What is free software?">free and open source software</a> (FOSS) licensed under the <a href="https://www.gnu.org/licenses/old-licenses/gpl-2.0.en.html" title="GNU General Public License, version 2" target="_blank" rel="noreferrer">GPL</a>, you can help us!<br>
+    Ideas? Found a bug? Want to contribute some code or help [translating](https://github.com/jamulussoftware/jamulus/blob/main/docs/TRANSLATING.md) into your language? Since Jamulus is <a href="https://www.gnu.org/philosophy/free-sw.en.html" target="_blank" rel="noreferrer" title="What is free software?">free and open source software</a> (FOSS) licensed under the <a href="https://www.gnu.org/licenses/old-licenses/gpl-2.0.en.html" title="GNU General Public License, version 2" target="_blank" rel="noreferrer">GPL</a>, you can help us!<br>
     Take a look at our <a href="wiki/Contribution">contribution guidelines</a> to find out how. Everybody is welcome!
     </p>
     <p>
     <em>
-      For detailed information about how Jamulus hacks the space-time continuum to produce a near-perfect 5th dimension of collaborative sound, see <a
+      For detailed information on how Jamulus works, see <a
       href="/PerformingBandRehearsalsontheInternetWithJamulus.pdf">this paper by Volker Fischer (PDF)</a>.
     </em>
     </p>