diff --git a/README.md b/README.md
index 0622496..e314f8a 100644
--- a/README.md
+++ b/README.md
@@ -20,6 +20,7 @@
       dep: deploy
 
       # Specifies a sub directory within the repository to deploy
+      # Optional
       sub-directory: "..."
       
       # Config options for the Deployer. Same as the `-o` flag in the CLI.