diff --git a/service/openapi.yaml b/service/openapi.yaml
index d7ee822..1e758ea 100644
--- a/service/openapi.yaml
+++ b/service/openapi.yaml
@@ -127,7 +127,7 @@ paths:
         '429':
           description: Rate limit reached on the Flag Management System
           headers:
-            Retry-Later:
+            Retry-After:
               description: Indicates when to retry the request again
               schema:
                 type: string