diff --git a/koha-tmpl/opac-tmpl/bootstrap/en/modules/ilsdi.tt b/koha-tmpl/opac-tmpl/bootstrap/en/modules/ilsdi.tt
index 5ac68c2ea2..3fc3bb45ff 100644
--- a/koha-tmpl/opac-tmpl/bootstrap/en/modules/ilsdi.tt
+++ b/koha-tmpl/opac-tmpl/bootstrap/en/modules/ilsdi.tt
@@ -173,7 +173,7 @@
                                 <dt><strong>return_fmt</strong> (Optional)</dt>
                                 <dd>requests a particular format or set of formats in reporting availability</dd>
                                 <dt><strong>language (Optional)</strong></dt>
-                                <dd>requests a particular language for the output, default is the opac cookie language if set, the first language in opac language list or english</dd>
+                                <dd>requests a particular language for the output, default is the OPAC cookie language if set, the first language in OPAC language list or English</dd>
                             </dl>
 
                             <h3>Example call</h3>