Merge pull request prometheus-community#604 from alexrudd2/patch-1

Clarify default values for CLI flags

Author: sysadmind

README.md

@@ -48,13 +48,13 @@ This will build the docker image as `prometheuscommunity/postgres_exporter:${bra
  Path under which to expose metrics. Default is `/metrics`.
 
 * `disable-default-metrics`
- Use only metrics supplied from `queries.yaml` via `--extend.query-path`.
+ Use only metrics supplied from `queries.yaml` via `--extend.query-path`. Default is `false`.
 
 * `disable-settings-metrics`
- Use the flag if you don't want to scrape `pg_settings`.
+ Use the flag if you don't want to scrape `pg_settings`. Default is `false`.
 
 * `auto-discover-databases`
- Whether to discover the databases on a server dynamically.
+ Whether to discover the databases on a server dynamically. Default is `false`.
 
 * `extend.query-path`
  Path to a YAML file containing custom queries to run. Check out [`queries.yaml`](queries.yaml)