diff --git a/base/Dockerfile b/base/Dockerfile
index 3737836..e33e6cd 100644
--- a/base/Dockerfile
+++ b/base/Dockerfile
@@ -10,6 +10,7 @@ ARG DEBIAN_FRONTEND=noninteractive
 
 # install basics
 # TODO require python3 or python3-minimal?
+# TODO is dumb-init actually used?
 RUN apt-get update && \
     apt-get upgrade -y && \
     apt-get install --no-install-recommends -y \