diff --git a/.vscode/extensions.json b/.vscode/extensions.json
index 11ab7c97cb..085c3586c6 100644
--- a/.vscode/extensions.json
+++ b/.vscode/extensions.json
@@ -8,6 +8,7 @@
     "esbenp.prettier-vscode",
     "foxundermoon.shell-format",
     "mads-hartmann.bash-ide-vscode",
+    "moshfeu.compare-folders",
     "ms-azuretools.vscode-docker",
     "ms-kubernetes-tools.vscode-kubernetes-tools",
     "ms-vscode-remote.remote-containers",
diff --git a/bin/compare.sh b/bin/compare.sh
index cc81a68943..1e18374aea 100755
--- a/bin/compare.sh
+++ b/bin/compare.sh
@@ -2,6 +2,9 @@
 set -ue
 
 # Usage: bin/compare.sh -l name=loki
+# Deps: dyff, helmfile
+# brew install homeport/tap/dyff
+# brew install helmfile
 
 export ENV_DIR=$PWD/tests/fixtures