Update w07_OSM.html

docs/labs/w07_OSM.html

@@ -281,7 +281,7 @@ <h1 class="title"><span class="chapter-number">6</span>&nbsp; <span class="chapt
 <li>OSMnx examples: https://github.com/gboeing/osmnx-examples</li>
 <li>pyrosm examples: https://pyrosm.readthedocs.io/en/latest/basics.html#read-street-networks</li>
 </ul>
-<p>The <strong>Lecture slides</strong> can be found <a href="https://github.com/GDSL-UL/wma/raw/main/html/w07.pdf">here</a>.</p>
+<p>The <strong>Lecture slides</strong> can be found <a href="https://github.com/GDSL-UL/wma/raw/main/lectures/w07.pdf">here</a>.</p>
 <p>This <strong>lab</strong>’s notebook can be downloaded from <a href="https://github.com/GDSL-UL/wma/blob/main/labs/w07_osm.ipynb">here</a>.</p>
 <section id="what-is-openstreetmap" class="level2" data-number="6.1">
 <h2 data-number="6.1" class="anchored" data-anchor-id="what-is-openstreetmap"><span class="header-section-number">6.1</span> What is OpenStreetMap?</h2>