diff --git a/cara/apps/calculator/templates/base/calculator.report.html.j2 b/cara/apps/calculator/templates/base/calculator.report.html.j2
index 9b618988..2ad82bfa 100644
--- a/cara/apps/calculator/templates/base/calculator.report.html.j2
+++ b/cara/apps/calculator/templates/base/calculator.report.html.j2
@@ -209,7 +209,8 @@
 	<p class="result_title">Results:</p>
 		<p class="data_text">
 		{% block report_summary %}
-        In this scenario, the estimated probability of one exposed occupant getting infected P(i) is {{ prob_inf | non_zero_percentage }} and the expected number of new cases is {{ expected_new_cases | float_format }}.
+        Taking into account the uncertainties tied to the model variables, in this scenario, the <b>probability of one exposed occupant getting infected P(i) is {{ prob_inf | non_zero_percentage }}</b><a href="#section1">[*]</a> and the <b>expected number of new cases is {{ expected_new_cases | float_format }}</b>.
+	<p id="section1">[*] The results are based on the parameters and assumptions published in the <a href="https://cds.cern.ch/record/2756083"> CERN Open Report CERN-OPEN-2021-004</a></p>
         {% endblock report_summary %}
         </p>
 	<p class="data_title">Exposure graph:</p>