diff --git a/class/index.xml b/class/index.xml
index 301c5140..91435a2b 100644
--- a/class/index.xml
+++ b/class/index.xml
@@ -253,7 +253,7 @@ that will be featured in the class.</p>
<a href="https://github.com/USCbiostats/PM566/blob/master/website/static/labs/lab-01/pm566-01-lab.zip" target="_blank" rel="noopener">Download</a> (click the “download” icon on the right, near the “Raw” button, then unzip the file)</p>
<h2 id="slides">Slides</h2>
<p>
-<a href="https://uscbiostats.github.io/PM566/PM566/slides/01-welcome/slides.html">link</a></p>
+<a href="https://uscbiostats.github.io/PM566/PM566/slides/01-welcome/week1.html">link</a></p>
<h2 id="links">Links</h2>
<ul>
<li>
diff --git a/index.xml b/index.xml
index dfb68f20..ecba6aab 100644
--- a/index.xml
+++ b/index.xml
@@ -253,7 +253,7 @@ that will be featured in the class.</p>
<a href="https://github.com/USCbiostats/PM566/blob/master/website/static/labs/lab-01/pm566-01-lab.zip" target="_blank" rel="noopener">Download</a> (click the “download” icon on the right, near the “Raw” button, then unzip the file)</p>
<h2 id="slides">Slides</h2>
<p>
-<a href="https://uscbiostats.github.io/PM566/PM566/slides/01-welcome/slides.html">link</a></p>
+<a href="https://uscbiostats.github.io/PM566/PM566/slides/01-welcome/week1.html">link</a></p>
<h2 id="links">Links</h2>
<ul>
<li>
diff --git a/slides/01-welcome/week1.html b/slides/01-welcome/week1.html
index f839bee2..6c03dc92 100644
--- a/slides/01-welcome/week1.html
+++ b/slides/01-welcome/week1.html
@@ -8,7 +8,7 @@
-
+
Welcome!