diff --git a/src/docs-dev-guide.adoc b/src/docs-dev-guide.adoc
index eb1e5b8..337937f 100755
--- a/src/docs-dev-guide.adoc
+++ b/src/docs-dev-guide.adoc
@@ -69,7 +69,7 @@ include::tables_symbols_math.adoc[]
 
 include::blocks_notes_markers.adoc[]
 
-//include::index_bib.adoc[]
+include::index_bib.adoc[]
 
 include::graphics.adoc[]