diff --git a/README.md b/README.md
index 349ca8d..b60b5b6 100644
--- a/README.md
+++ b/README.md
@@ -120,7 +120,7 @@ Container images are configured using parameters passed at runtime (such as thos
 | `-e PGID=1000` | for GroupID - see below for explanation |
 | `-e TZ=Europe/London` | Specify a timezone to use EG Europe/London. |
 | `-v /config` | Users home directory in the container, stores local files and settings |
-| `--security-opt seccomp=unconfined` | For Docker Engine only, many modern gui apps need this to function as syscalls are unkown to Docker. |
+| `--security-opt seccomp=unconfined` | For Docker Engine only, many modern gui apps need this to function on older hosts as syscalls are unknown to Docker. |
 
 ## Environment variables from files (Docker secrets)