adjust minor typo in readme
also rephrase a little to make it clearer
@@ -1412,7 +1412,7 @@ Managed Streams:
No Streams have been defined by this template
```
-You can see now streams exist now for it, let's publish some data:
+You can see no streams currently exist, let's publish some data:
```
$ nats pub CLIENT.acme hello
