diff --git a/src/interface.jl b/src/interface.jl
index 8b4a6cb..8158716 100644
--- a/src/interface.jl
+++ b/src/interface.jl
@@ -46,7 +46,7 @@ julia> expectJSON  =
 ```
 
 # TODO
-  - [] update docstring
+  - [WORKING] update docstring
   - [x] implement the function
 
 # Signature