diff --git a/templates/full_validation_pdf.html b/templates/full_validation_pdf.html
index eb0408e8..cf6d8070 100644
--- a/templates/full_validation_pdf.html
+++ b/templates/full_validation_pdf.html
@@ -712,7 +712,7 @@ <h5 align=center>
                 
                 {% if number_of_fits  > 0 %}
                   <p>
-                    <i>Model and fits displayed below were obtained from SASBDB. χ² values are a measure of fit of the model to data. A perfect fit has a χ² value of zero. 
+                    <i>Model and fits displayed below were obtained from SASBDB. χ² values are a measure of fit of the model to data. A perfect fit has a χ² value of 1.0. 
                       ATSAS datcmp was used for hypothesis testing. All data sets are similar (i.e. the fit and the data collected) is the null hypothesis. p-value is a measure of evidence against the null hypothesis, smaller the value, the stronger the evidence that you should reject the null hypothesis.
                     </i>
                   </p>