diff --git a/source/import_documentation/mixins.rst b/source/import_documentation/mixins.rst
index d3df04dacc246c0dcee399b95dbf98baffa551af..17b8e3649381e506b35bd78036f6e716c99ed6fb 100644
--- a/source/import_documentation/mixins.rst
+++ b/source/import_documentation/mixins.rst
@@ -2,6 +2,10 @@ Features
 #########
 We call "mixins" features for SIB components. Basicly they provide attribute to it.
 
+.. warning::
+
+   The section is a work in progress. It will be soon updated.
+
 List
 =====