diff --git a/README.md b/README.md
index b74dc4d..fabaf40 100644
--- a/README.md
+++ b/README.md
@@ -103,6 +103,20 @@ Example:
 
 ## Configuration
 
+### Only show the post's description
+
+On each post you can specify the following:
+
+```toml
+description = "test description"
+
+[extra]
+show_only_description = true
+```
+
+This will render `test description` under this
+particular post on the homepage instead of a summary.
+
 ### Colors
 
 Both the accent colors and background colors are