diff --git a/docs/content/layout/variables.md b/docs/content/layout/variables.md
index 9e8115517..226ebb3a3 100644
--- a/docs/content/layout/variables.md
+++ b/docs/content/layout/variables.md
@@ -21,6 +21,7 @@ are available in the context for the templates.
**.Next** Pointer to the following content (based on pub date)
**.Site** See site variables below
**.Content** The content itself, defined below the front matter.
+**.Summary** A generated summary of the content for easily showing a snippet in a summary view.
Any value defined in the front matter, including indexes will be made available under `.Params`.
Take for example I'm using tags and categories as my indexes. The following would be how I would access them: