diff --git a/README.md b/README.md
index 2c9711b..551766e 100644
--- a/README.md
+++ b/README.md
@@ -67,7 +67,7 @@ As an example, if the identifier for your read replica is `foobarbaz-us-east-1-a
     static_configs:
       - targets: ["foobarbaz-us-east-1-abcdef.supabase.co"]
         labels:
-          - supabase_project_ref: "foobarbaz-us-east-1-abcdef"
+          supabase_project_ref: "foobarbaz-us-east-1-abcdef"
 ```
 
 ---