diff --git a/shared/attributes.asciidoc b/shared/attributes.asciidoc
index 0077b48ba1277..7f4db9351d874 100644
--- a/shared/attributes.asciidoc
+++ b/shared/attributes.asciidoc
@@ -88,6 +88,9 @@
 :ml:                machine learning
 :ml-features:       machine learning features
 :ccr:               cross-cluster replication
+:ilm:               index lifecycle management
+:Ilm:               Index lifecycle management
+:ILM:               ILM
 
 :dfeed:           datafeed
 :dfeeds:          datafeeds