diff --git a/author/bipm/authoring.adoc b/author/bipm/authoring.adoc
index ccc31b26a..dda035758 100644
--- a/author/bipm/authoring.adoc
+++ b/author/bipm/authoring.adoc
@@ -205,3 +205,7 @@ To override such capitalisation, you can use the the flags
 to force that casing on the cross-reference.
 
 Localization occurs for both English and French versions.
+
+== Index
+
+Metanorma PDF supports index generation in both HTML and PDF outputs.
diff --git a/author/topics/document-format/text.adoc b/author/topics/document-format/text.adoc
index 52b795dc6..f190e4a3c 100644
--- a/author/topics/document-format/text.adoc
+++ b/author/topics/document-format/text.adoc
@@ -263,7 +263,7 @@ was to carry Excalibur (((Sword, Broadsword, Excalibur))).
 Index term links are only rendered in certain flavours, and do not appear otherwise in
 DOC, PDF or HTML output.
 
-NOTE: Only Metanorma IETF XML RFC output renders index terms.
+NOTE: Only Metanorma IETF XML RFC and Metanorma BIPM output renders index terms.
 
 
 == Lists