Fix run health check doc

Signed-off-by: Guillaume Tardif <[email protected]>

docs/aci-container-features.md

@@ -71,7 +71,7 @@ When running a container with `docker run`, by default the command line stays at
 
 ## Healthchecks
 
-A health check can be described using the flags prefixed by `--healthcheck`. This is translated into `LivenessProbe` for ACI. If the health check fails then the container is considered unhealthy and terminated.
+A health check can be described using the flags prefixed by `--health-`. This is translated into `LivenessProbe` for ACI. If the health check fails then the container is considered unhealthy and terminated.
 In order for the container to be restarted automatically, the container needs to be run with a restart policy (set by the `--restart` flag) other than `no`. Note that the default restart policy if one isn't set is `no`.
 
 In order to restart automatically, the container also need to have a restart policy set with `--restart` (`docker run` defaults to no restart policy)