diff --git a/rocky/reports/templates/partials/report_names_header.html b/rocky/reports/templates/partials/report_names_header.html
index b2b0a28854c..6e3a11906fd 100644
--- a/rocky/reports/templates/partials/report_names_header.html
+++ b/rocky/reports/templates/partials/report_names_header.html
@@ -12,9 +12,10 @@ <h2>{% translate "Report name" %}</h2>
     <p>
         {% blocktranslate trimmed %}
             To make the report names more descriptive, you can include placeholders for the
-            object name, the report type and/or the reference date. Use the placeholder "{ooi}" for the
-            object name, "{report type}" for the report type and use a <a href="https://strftime.org/" target="_blank" rel="noopener">Python
-            strftime code</a> for the reference date.
+            object name, the report type and/or the reference date. For subreports and reports over a single object,
+            use the placeholder "{ooi}" for the object name, "{report type}" for the report type and use a
+            <a href="https://strftime.org/" target="_blank" rel="noopener">Python strftime code</a> for the reference
+            date. For reports over multiple objects, use "{oois_count}" for the number of objects in the report.
         {% endblocktranslate %}
     </p>
     <p>
diff --git a/rocky/rocky/locale/django.pot b/rocky/rocky/locale/django.pot
index 4af966792b8..9dc9f1faa12 100644
--- a/rocky/rocky/locale/django.pot
+++ b/rocky/rocky/locale/django.pot
@@ -9,7 +9,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2024-10-09 14:20+0000\n"
+"POT-Creation-Date: 2024-10-16 14:17+0000\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -3793,10 +3793,12 @@ msgstr ""
 #: reports/templates/partials/report_names_header.html
 msgid ""
 "To make the report names more descriptive, you can include placeholders for "
-"the object name, the report type and/or the reference date. Use the "
-"placeholder \"{ooi}\" for the object name, \"{report type}\" for the report "
-"type and use a <a href=\"https://strftime.org/\" target=\"_blank\" "
-"rel=\"noopener\">Python strftime code</a> for the reference date."
+"the object name, the report type and/or the reference date. For subreports "
+"and reports over a single object, use the placeholder \"{ooi}\" for the "
+"object name, \"{report type}\" for the report type and use a <a "
+"href=\"https://strftime.org/\" target=\"_blank\" rel=\"noopener\">Python "
+"strftime code</a> for the reference date. For reports over multiple objects, "
+"use \"{oois_count}\" for the number of objects in the report."
 msgstr ""
 
 #: reports/templates/partials/report_names_header.html