diff --git a/pkgs/oizys/src/oizys/exec.nim b/pkgs/oizys/src/oizys/exec.nim
index 2809582..0e48bfc 100644
--- a/pkgs/oizys/src/oizys/exec.nim
+++ b/pkgs/oizys/src/oizys/exec.nim
@@ -21,6 +21,7 @@ type
     CaptStdout
     CaptStderr
 
+# TODO: suppot both capturing and inheriting the stream?
 proc runCmdCapt*(
   cmd: string,
   capture: set[CaptureGrp] = {CaptStdout},