diff --git a/part1/02/02.md b/part1/02/02.md
index 48eb508..8732148 100644
--- a/part1/02/02.md
+++ b/part1/02/02.md
@@ -4,7 +4,7 @@
     </div>
     <div class="layout-preview">
         <img src="part1/02/gnu_tux_castle.jpg" class="fragment" data-fragment-index="3">
-    <figcaption class="fragment" data-fragment-index="3">Free software, free society: TEDxGeneva 2014 (<a href="https://www.fsf.org/blogs/rms/20140407-geneva-tedx-talk-free-software-free-society"> Quelle)</figcaption>
+    <figcaption class="fragment" data-fragment-index="3">Free software, free society: TEDxGeneva 2014 (<a href="https://www.fsf.org/blogs/rms/20140407-geneva-tedx-talk-free-software-free-society">Quelle</a>)</figcaption>
     </div>
 </div>
 
diff --git a/part1/04/04.md b/part1/04/04.md
index 1950429..ce0c398 100644
--- a/part1/04/04.md
+++ b/part1/04/04.md
@@ -116,7 +116,7 @@
     <div class="layout-preview">
         <figure>
             <img src="part1/04/kde_fedora.jpg">
-            <figcaption>KDE unter Fedora <a href="https://commons.wikimedia.org/wiki/File:Kubuntu_18.10_screenshot.png">Quelle</a>)</figcaption>
+            <figcaption>KDE unter Fedora (<a href="https://commons.wikimedia.org/wiki/File:Kubuntu_18.10_screenshot.png">Quelle</a>)</figcaption>
         </figure>
     </div>
     <div class="layout-preview">