Doc fixes

content/docs/introduction/faq.md

@@ -79,7 +79,7 @@ Prometheus is released under the
 After extensive research it has been determined that the correct plural of
 'Prometheus' is 'Prometheis'.
 
-### Can I reload Prometheus configuration ?
+### Can I reload Prometheus's configuration?
 
 Yes, sending SIGHUP to the Prometheus process will reload
 and apply the configuration file. The different components attempt
@@ -89,7 +89,7 @@ to handle failing changes gracefully.
 
 Yes, with the experimental [Alertmanager](https://github.com/prometheus/alertmanager).
 
-Currently the following external services are supported :
+Currently, the following external systems are supported:
 
 * Email
 * Generic Webhooks
@@ -117,7 +117,7 @@ for the current state of this effort.
 
 ### Which languages have instrumentation libraries?
 
-Currently there are client libraries for:
+Currently, there are client libraries for:
 
 * [Go](https://github.com/prometheus/client_golang)
 * [Java or Scala](https://github.com/prometheus/client_java)

content/docs/introduction/roadmap.md

@@ -27,10 +27,8 @@ GitHub issue: [#9](https://github.com/prometheus/prometheus/issues/9)
 
 Currently Prometheus supports configuring static HTTP targets, as well as
 discovering targets dynamically via [DNS SRV
-records](http://en.wikipedia.org/wiki/SRV_record) and [Consul](https://www.consul.io/). There is also a file-based interface that allows you to connect your own discovery mechanisms. We plan to support more
-types of service discovery (e.g. Zookeeper) in the future. Some will
-be implemented natively, but we may also add a plugin system for arbitrary
-discovery mechanisms.
+records](http://en.wikipedia.org/wiki/SRV_record) and [Consul](https://www.consul.io/). There is also a file-based interface that allows you to connect your own discovery mechanisms. We plan to natively support more
+types of service discovery (e.g. Zookeeper) in the future.
 
 ### Long-term storage