diff --git a/debian/Dockerfile b/debian/Dockerfile
index 8931713..a64afd3 100644
--- a/debian/Dockerfile
+++ b/debian/Dockerfile
@@ -8,6 +8,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
         jq \
         openssh-client \
     && rm -rf /var/lib/apt/lists/*
+# https://dl.k8s.io/release/stable.txt
 RUN curl -sLo /usr/local/bin/kubectl \
         "https://dl.k8s.io/release/v1.34.1/bin/linux/amd64/kubectl" \
     && chmod 0755 /usr/local/bin/kubectl