diff --git a/etc/ssh/sshd_config b/etc/ssh/sshd_config
index 3aa02d72..371d3d48 100644
--- a/etc/ssh/sshd_config
+++ b/etc/ssh/sshd_config
@@ -7,6 +7,8 @@
 # change them to get updates when defaults change.
 
 # Allow the client to send preferred locales.
+# LC_ALL is intentionally missing as it's only for testing purpouses
+# (set it on the server, not in client if it's seriously needed).
 AcceptEnv LANG LANGUAGE LC_CTYPE LC_NUMERIC LC_TIME LC_COLLATE LC_MONETARY LC_MESSAGES LC_PAPER LC_NAME LC_ADDRESS LC_TELEPHONE LC_MEASUREMENT LC_IDENTIFICATION
 
 # IPv4 & IPv6