remove PySDM copy-paste leftovers

docs/templates/index.html.jinja2

@@ -106,10 +106,9 @@
         </p>
         <pre><code>pip install PyMPDATA</code></pre>
         <p>Note: the way above <b>will not</b> install PyMPDATA-examples, to install them, and run the tests, likely the most convenient way is:</p>
-        <pre><code>git clone https://github.com/open-atmos/PySDM.git
+        <pre><code>git clone https://github.com/open-atmos/PyMPDATA.git
 pip install -e PyMPDATA[tests] -e PyMPDATA/examples[tests]
-pytest PyMPDATA
-        </code></pre>
+pytest PyMPDATA</code></pre>
         <p>(the above should be a viable way to set up development environment for PyMPDATA, see also our <a href="https://github.com/open-atmos/python-dev-hints/wiki">Python dev hints Wiki</a> for further information)</p>
         <p>
             PyMPDATA-examples is available on PyPI and can be installed using pip:
@@ -167,7 +166,7 @@ jupyter-notebook PyMPDATA/examples</code></pre>
             for a complete list of contributors.
         </p>
         <p>
-          Development of PySDM was supported by:
+          Development of PyMPDATA was supported by:
           <ul>
             <li><a href="https://www.fnp.org.pl/en/">Foundation for Polish Science</a> (grant no. POIR.04.04.00-00-5E1C/18 co-financed by the European Union under the European Regional Development Fund)</li>
             <li><a href="https://ncn.gov.pl/en">Polish National Science Centre</a> (grant no. 2020/39/D/ST10/01220)</li>