diff --git a/metadata-generator.html b/metadata-generator.html
index 68b075b..efb2c18 100644
--- a/metadata-generator.html
+++ b/metadata-generator.html
@@ -566,7 +566,7 @@
     </div>
     <div class="form-row mt-2 person-element" ${type !== "Person" ? 'style="display:none;"':''}>
       <div class="col">
-        <input type="text" class="form-control inputAuthorId" placeholder="Persönliche ID (optional, wie ORCID, GND)" data-i18n-placeholder="LABEL_CREATOR_ID" value="${authorId}">
+        <input type="url" class="form-control inputAuthorId" placeholder="Persönliche ID (optional, wie ORCID, GND)" data-i18n-placeholder="LABEL_CREATOR_ID" value="${authorId}">
       </div>
     </div>