diff --git a/config-templates/config.php b/config-templates/config.php
index 6a531e15951094e1e30c8e6773fb90f58fe66d7c..c0abfb760166c3544ac740165a84d6241bd8ea59 100644
--- a/config-templates/config.php
+++ b/config-templates/config.php
@@ -129,7 +129,7 @@ $config = [
      * 'secretsalt' can be any valid string of any length.
      *
      * A possible way to generate a random salt is by running the following command from a unix shell:
-     * LC_CTYPE=C tr -c -d '0123456789abcdefghijklmnopqrstuvwxyz' </dev/urandom | dd bs=32 count=1 2>/dev/null;echo
+     * LC_ALL=C tr -c -d '0123456789abcdefghijklmnopqrstuvwxyz' </dev/urandom | dd bs=32 count=1 2>/dev/null;echo
      */
     'secretsalt' => 'defaultsecretsalt',