diff --git a/Resources/Private/Partials/Recommender/Filter.html b/Resources/Private/Partials/Recommender/Filter.html
index 29a3133d3eb6fa96d330cdd8e0848c001f755950..5fa0a14b7abafb907446df9265e0c37106d62946 100644
--- a/Resources/Private/Partials/Recommender/Filter.html
+++ b/Resources/Private/Partials/Recommender/Filter.html
@@ -19,7 +19,7 @@
                         <input type="range" class="form-range" min="0" step="100" max="{maxApc}" value="{maxApc}" id="input-apc-max">
                     </div>
                     <div class="mt-4 mb-3">
-                        <b><f:translate key="filter.selectSubject" default="Select subject"/></b> <a href="#" data-bs-toggle="tooltip" data-bs-original-title="{f:translate(key: 'filter.tooltipSubject')}">?</a>
+                        <b><f:translate key="filter.selectSubject" default="Select subject"/></b> <a data-bs-toggle="tooltip" data-bs-original-title="{f:translate(key: 'filter.tooltipSubject')}">?</a>
                         <select id="filter-subjects" class="form-select" aria-label="{f:translate(key: 'filter.selectFilter')}">
                             <option value=""><f:translate key="filter.all"/></option>
                             <f:for each="{subjects}" as="subject">
@@ -42,7 +42,7 @@
                 </div>
                 <div class="col">
                     <div class="mt-4 mb-3">
-                        <b><f:translate key="filter.selectKeywords" default="Select keywords"/></b> <a href="#" data-bs-toggle="tooltip" data-bs-offset="-50%" data-bs-original-title="{f:translate(key: 'filter.tooltipKeyword')}">?</a>
+                        <b><f:translate key="filter.selectKeywords" default="Select keywords"/></b> <a data-bs-toggle="tooltip" data-bs-offset="-50%" data-bs-original-title="{f:translate(key: 'filter.tooltipKeyword')}">?</a>
                         <div class="input-group m-1">
                             <input aria-label="Search for keywords" id="filter-keywords" type="text" placeholder="Search keywords" maxlength="100" class="form-control">
                             <button aria-label="Reset keyword search" class="btn btn-outline-secondary" type="button" id="button-addon2">✗</button>
diff --git a/Resources/Private/Partials/Recommender/Form.html b/Resources/Private/Partials/Recommender/Form.html
index 595d88a4065286402cfcb9d687a967cf86ada5e0..cda5d6ac568abb249fc7cd8308840b65da263e00 100644
--- a/Resources/Private/Partials/Recommender/Form.html
+++ b/Resources/Private/Partials/Recommender/Form.html
@@ -15,7 +15,7 @@
     </div>
     <div class="mt-1">
         <label for="input-references"><f:translate key="label.references" default="References"/></label>
-        <a href="#" data-bs-toggle="tooltip" data-bs-original-title="The DOIs are extracted from the input. Other references are discarded.">?</a>
+        <a data-bs-toggle="tooltip" data-bs-original-title="The DOIs are extracted from the input. Other references are discarded.">?</a>
         <div>
             <textarea name="tx_bison[references]" cols="40" rows="5" placeholder="{f:translate(key: 'placeholder.references')}" maxlength="50000" class="form-control" id="input-references">{viewData.requestData.references}</textarea>
         </div>