diff --git a/journals/2023_12_17.md b/journals/2023_12_17.md
index 1cc19550..5000db6a 100644
--- a/journals/2023_12_17.md
+++ b/journals/2023_12_17.md
@@ -6,4 +6,6 @@
 		- #+BEGIN_QUOTE
 		  curl -fsSL https://get.docker.com -o get-docker.sh
 		  sudo sh ./get-docker.sh --dry-run
+		  # https://docs.docker.com/engine/install/linux-postinstall/#manage-docker-as-a-non-root-user
+		  sudo groupadd docker
 		  #+END_QUOTE
\ No newline at end of file