diff --git a/website/source/docs/synced-folders/basic_usage.html.md b/website/source/docs/synced-folders/basic_usage.html.md
index 21da0a19c..08fa08732 100644
--- a/website/source/docs/synced-folders/basic_usage.html.md
+++ b/website/source/docs/synced-folders/basic_usage.html.md
@@ -64,6 +64,9 @@ in other pages available in the navigation for these docs.
   Vagrant will automatically choose the best synced folder option for your
   environment. Otherwise, you can specify a specific type such as "nfs".
 
+* `id` (string) - The name for the mount point of this synced folder in the
+  guest machine. This shows up when you run `mount` in the guest machine.
+
 ## Enabling
 
 Synced folders are automatically setup during `vagrant up` and