diff --git a/ietf/static/js/investigate.js b/ietf/static/js/investigate.js
index b22e099b1..ee1c54514 100644
--- a/ietf/static/js/investigate.js
+++ b/ietf/static/js/investigate.js
@@ -18,13 +18,13 @@ document.addEventListener('DOMContentLoaded', () => {
             loadResultsFromTask('bogus-task-id') // bad task id will generate an error from Django
         }
         const taskId = (await response.json()).id
-        // Poll for completion of the investigation up to 18*10 = 180 seconds 
-        waitForResults(taskId, 18)
+        // Poll for completion of the investigation up to 60*10 = 600 seconds 
+        waitForResults(taskId, 60)
     }
 
     const waitForResults = async (taskId, retries) => {
         // indicate that investigation is in progress
-        document.getElementById('spinner').classList.remove('d-none')
+        document.querySelectorAll('.investigation-indicator').forEach(elt => elt.classList.remove('d-none'))
         document.getElementById('investigate-button').disabled = true
         investigateForm.elements['id_name_fragment'].disabled = true
 
diff --git a/ietf/templates/doc/investigate.html b/ietf/templates/doc/investigate.html
index 436a8ce91..8b613117d 100644
--- a/ietf/templates/doc/investigate.html
+++ b/ietf/templates/doc/investigate.html
@@ -13,13 +13,15 @@
             {% csrf_token %}
             {% bootstrap_form form %}
             <button class="btn btn-primary" type="submit" id="investigate-button">
-            <span id="spinner"
-                  class="spinner-border spinner-border-sm d-none"
-                  role="status"
-                  aria-hidden="true">
-            </span>
+                <span class="spinner-border spinner-border-sm investigation-indicator d-none"
+                      role="status"
+                      aria-hidden="true">
+                </span>
                 Investigate
             </button>
+            <div class="alert alert-info mt-3 d-none investigation-indicator">
+                Please be patient, processing may take several minutes.
+            </div>
         </form>
     </div>
     {% if results %}