diff --git a/README.md b/README.md
index 1ce420a..d8ffe99 100644
--- a/README.md
+++ b/README.md
@@ -14,4 +14,4 @@ $space = new SpacesConnect($key, $secret);
```
All available configurations:
-SpacesConnect( REQUIRED KEY, REQUIRED SECRET, OPTIONAL SPACE's NAME, OPTIONAL REGION, OPTION HOST DOMAIN );
+SpacesConnect( REQUIRED KEY, REQUIRED SECRET, OPTIONAL SPACE's NAME, OPTIONAL REGION, OPTION HOST DOMAIN );