diff --git a/dockerfile-captain.edge b/dockerfile-captain.edge
index f3b2d9f..40b6678 100644
--- a/dockerfile-captain.edge
+++ b/dockerfile-captain.edge
@@ -1,3 +1,6 @@
+# NodeJS v20 freezes when building for multiarch
+# https://github.com/nodejs/docker-node/issues/2155
+
 FROM node:18-alpine
 RUN apk add --update --no-cache make gcc g++ git curl openssl openssh
 
diff --git a/dockerfile-captain.release b/dockerfile-captain.release
index edda803..b303130 100644
--- a/dockerfile-captain.release
+++ b/dockerfile-captain.release
@@ -1,3 +1,6 @@
+# NodeJS v20 freezes when building for multiarch
+# https://github.com/nodejs/docker-node/issues/2155
+
 FROM node:18-alpine
 RUN apk add --update --no-cache make gcc g++ git curl openssl openssh