Fix https://github.com/orgs/firefly-iii/discussions/11538

.env.example

@@ -14,7 +14,15 @@ SITE_OWNER=mail@example.com
 # Change it to a string of exactly 32 chars or use something like `php artisan key:generate` to generate it.
 # If you use Docker or similar, you can set this variable from a file by using APP_KEY_FILE
 #
-# Avoid the "#" character in your APP_KEY, it may break things.
+# Try to avoid special characters like #, < and > in your app key. This string does not need full entropy
+# When in doubt, follow the link below and pick one.
+#
+# https://www.random.org/strings/?num=5&len=32&digits=on&upperalpha=on&loweralpha=on&unique=on&format=html&rnd=new
+#
+# If you are a fancy linux nerd like me, use this command:
+#
+# head /dev/urandom | LC_ALL=C tr -dc 'A-Za-z0-9' | head -c 32 && echo
+#
 #
 APP_KEY=SomeRandomStringOf32CharsExactly