Update catch phrases

Author: SylvainCorlay

index.html

@@ -31,7 +31,7 @@
     <div class="container-fluid fond fond1 parallax">
         <div class="container">
             <h1 class="col-md-8 col-md-push-2">
-            QuantStack is an open-source software corporation responsible for the development of major scientific and technical computing projects.</h1>
+            QuantStack is a team of open-source developers responsible for the development and maintenance of major scientific and technical computing projects.</h1>
         </div>
         <!--<a href="downloads.html" class="btn transparent">Download</a>-->
     </div>
@@ -40,7 +40,7 @@ <h1 class="col-md-8 col-md-push-2">
             <div class="spacer big "></div>
             <div class="row">
                 <div class="col-md-10 col-md-push-1">
-                    <h2>The QuantStack team comprises maintainers of key projects of the ecosystem, used by millions in the world, such as Project Jupyter, conda-forge, Xtensor, and many more.</h2>
+                    <h2>The QuantStack team comprises maintainers of key projects of the ecosystem, used by millions in the world, such as Project Jupyter, conda-forge, Mamba, and many more.</h2>
                 </div>
             </div>
             <div class="spacer big"></div>