fix: builtin help

Author: buchdag

README.md

@@ -101,9 +101,14 @@ Options:
       log the output(stdout/stderr) of notify command
   -notify-container container-ID
       container to send a signal to
+  -notify-filter key=value
+      container filter for notification (e.g -notify-filter name=foo).
+      You can have multiple of these.
+      https://docs.docker.com/engine/reference/commandline/ps/#filter
   -notify-signal signal
-      signal to send to the -notify-container. -1 to call docker restart. Defaults to 1 aka. HUP.
-      All available signals available on the [dockerclient](https://github.com/fsouza/go-dockerclient/blob/01804dec8a84d0a77e63611f2b62d33e9bb2b64a/signal.go)
+      signal to send to the -notify-container and -notify-filter. -1 to call docker restart. Defaults to 1 aka. HUP.
+      All available signals available on the dockerclient
+      https://github.com/fsouza/go-dockerclient/blob/01804dec8a84d0a77e63611f2b62d33e9bb2b64a/signal.go
   -notify-sighup container-ID
       send HUP signal to container.  Equivalent to 'docker kill -s HUP container-ID', or `-notify-container container-ID -notify-signal 1`
   -only-exposed

cmd/docker-gen/main.go

@@ -115,10 +115,10 @@ func initFlags() {
 		"send HUP signal to container.  Equivalent to docker kill -s HUP `container-ID`")
 	flag.StringVar(&notifyContainerID, "notify-container", "",
 		"container to send a signal to")
-	flag.IntVar(&notifyContainerSignal, "notify-signal", int(docker.SIGHUP),
-		"signal to send to the notify-container. Defaults to SIGHUP")
 	flag.Var(&notifyContainerFilter, "notify-filter",
 		"container filter for notification (e.g -notify-filter name=foo). You can have multiple of these. https://docs.docker.com/engine/reference/commandline/ps/#filter")
+	flag.IntVar(&notifyContainerSignal, "notify-signal", int(docker.SIGHUP),
+		"signal to send to the notify-container and notify-filter. Defaults to SIGHUP")
 	flag.Var(&configFiles, "config", "config files with template directives. Config files will be merged if this option is specified multiple times.")
 	flag.IntVar(&interval, "interval", 0, "notify command interval (secs)")
 	flag.BoolVar(&keepBlankLines, "keep-blank-lines", false, "keep blank lines in the output file")