diff --git a/README.adoc b/README.adoc
index aaa1d14..631e6c7 100644
--- a/README.adoc
+++ b/README.adoc
@@ -10,6 +10,8 @@ An https://asciidoctor.org/[asciidoctor] extension that adds a list of figures,
 
 *Pull Request are always welcome! :)*
 
+IMPORTANT: With version 1.0.6 the syntax was changed from `element_list::[element=image]` to `list-of::image[]` to make it more intuitive.
+
 == Install
 [source,asciidoc]
 ----