diff --git a/src/docs/asciidoc/index.adoc b/src/docs/asciidoc/index.adoc
index 8ecad6c3..ffa5d3e3 100644
--- a/src/docs/asciidoc/index.adoc
+++ b/src/docs/asciidoc/index.adoc
@@ -796,6 +796,7 @@ the task of calculating attribute modifications and constructing `ModificationIt
 `DirContextAdapter` can do all of this for us, as follows:
 
 .Updating using `DirContextAdapter`
+====
 [[modify-modifyAttributes]]
 [source,java]
 [subs="verbatim,quotes"]