diff --git a/docs/configuration.md b/docs/configuration.md
index 14422fd..5e469d2 100644
--- a/docs/configuration.md
+++ b/docs/configuration.md
@@ -28,6 +28,10 @@ View this site's [_config.yml](https://github.com/pmarsceill/just-the-docs/tree/
 # Enable or disable the site search
 # Support true (default) or false
 search_enabled: true
+
+# Enable support for hyphenated search words:
+search_tokenizer_separator: /[\s/]+/
+
 ```
 
 ## Aux links