diff --git a/conekt/controllers/admin/views/xrefs.py b/conekt/controllers/admin/views/xrefs.py
index 6e94253..85951b6 100644
--- a/conekt/controllers/admin/views/xrefs.py
+++ b/conekt/controllers/admin/views/xrefs.py
@@ -1,4 +1,5 @@
 from flask_admin import expose
+from flask import current_app, flash
 
 from conekt.controllers.admin.views import AdminBaseView
 from conekt.forms.admin.add_xrefs import AddXRefsForm, AddXRefsFamiliesForm
@@ -13,6 +14,9 @@ def index(self):
         form = AddXRefsForm()
         form.populate_species()
 
+        if current_app.config['WHOOSHEE_ENABLE_INDEXING']:
+            flash("WHOOSHEE Indexing is enabled, this can take a long time to complete.", "warning")
+
         return self.render('admin/add/xrefs.html', form=form)
 
 
@@ -25,4 +29,7 @@ def index(self):
         form = AddXRefsFamiliesForm()
         form.populate_methods()
 
+        if current_app.config['WHOOSHEE_ENABLE_INDEXING']:
+            flash("WHOOSHEE Indexing is enabled, this can take a long time to complete.", "warning")
+
         return self.render('admin/add/xrefs_families.html', form=form)
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