diff --git a/doc/20-library-reference.md b/doc/20-library-reference.md
index 43b14d01d..b5fa91839 100644
--- a/doc/20-library-reference.md
+++ b/doc/20-library-reference.md
@@ -53,7 +53,7 @@ Returns the NotificationCommand object with the specified name, or `null` if no
 
 Signature:
 
-    function get_notification_command(name);
+    function get_host(host_name);
 
 Returns the Host object with the specified name, or `null` if no such Host object exists.