diff --git a/mission/index.md b/mission/index.md
index 34f8f9b0ce93adbaa673ca926511cf9bed90af33..97ba0bcc141c180af640563a11ef76627258791f 100644
--- a/mission/index.md
+++ b/mission/index.md
@@ -18,7 +18,7 @@ HIFIS aims to ensure an excellent information environment for outstanding resear
 
 
 
-<h2 id="documentation-and-publications">Documentation and Publications</h2>
+<h1 id="documentation-and-publications">Documentation and Publications</h1>
 <div class="image-block">
     <img
         class="help-image right"
@@ -45,7 +45,7 @@ HIFIS aims to ensure an excellent information environment for outstanding resear
 </div>
 
 
-<h2 id="partners">Partners</h2>
+<h1 id="partners">Partners</h1>
 <div class="image-block">
     <img
         class="help-image left"
@@ -65,7 +65,7 @@ HIFIS aims to ensure an excellent information environment for outstanding resear
     </div>
 </div>
 
-<h2 id="Structure">HIFIS Structure</h2>
+<h1 id="Structure">HIFIS Structure</h1>
 <div class="image-block">
     <img
         class="help-image right"
@@ -99,7 +99,7 @@ HIFIS aims to ensure an excellent information environment for outstanding resear
 </div>
 
 
-<h2 id="governance-and-supervision">Governance and Supervision</h2>
+<h1 id="governance-and-supervision">Governance and Supervision</h1>
 <div class="image-block">
     <img
         class="help-image left"