Readme missing backtick (prometheus-community#257)

* Readme missing backtick

---------

Signed-off-by: Austin Pray <[email protected]>

Author: austinpray-mixpanel

README.md

@@ -80,7 +80,7 @@ If you are still using the legacy [Access scopes][access-scopes], the `https://w
 | ----------------------------------- | -------- |---------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
 | `google.project-id`                 | No       | GCloud SDK auto-discovery | Comma seperated list of Google Project IDs                                                                                                                                                        |
 | `monitoring.metrics-ingest-delay`   | No       |                           | Offsets metric collection by a delay appropriate for each metric type, e.g. because bigquery metrics are slow to appear                                                                           |
-| `monitoring.drop-delegated-projects | No       | No                        | Drop metrics from attached projects and fetch `project_id` only.                                                                                                                                  |
+| `monitoring.drop-delegated-projects` | No       | No                        | Drop metrics from attached projects and fetch `project_id` only.                                                                                                                                  |
 | `monitoring.metrics-type-prefixes`  | Yes      |                           | Comma separated Google Stackdriver Monitoring Metric Type prefixes (see [example][metrics-prefix-example] and [available metrics][metrics-list])                                                  |
 | `monitoring.metrics-interval`       | No       | `5m`                      | Metric's timestamp interval to request from the Google Stackdriver Monitoring Metrics API. Only the most recent data point is used                                                                |
 | `monitoring.metrics-offset`         | No       | `0s`                      | Offset (into the past) for the metric's timestamp interval to request from the Google Stackdriver Monitoring Metrics API, to handle latency in published metrics                                  |
@@ -91,7 +91,7 @@ If you are still using the legacy [Access scopes][access-scopes], the `https://w
 | `stackdriver.max-retries`           | No       | `0`                       | Max number of retries that should be attempted on 503 errors from stackdriver.                                                                                                                    |
 | `stackdriver.http-timeout`          | No       | `10s`                     |  How long should stackdriver_exporter wait for a result from the Stackdriver API.                                                                                                                 |
 | `stackdriver.max-backoff=`          | No       |                           | Max time between each request in an exp backoff scenario.                                                                                                                                         |
-| `stackdriver.backoff-jitter`        | No       | `1s                       | The amount of jitter to introduce in a exp backoff scenario.                                                                                                                                      |
+| `stackdriver.backoff-jitter`        | No       | `1s`                       | The amount of jitter to introduce in a exp backoff scenario.                                                                                                                                      |
 | `stackdriver.retry-statuses`        | No       | `503`                     |  The HTTP statuses that should trigger a retry.                                                                                                                                                   |
 | `web.config.file`                   | No       |                           | [EXPERIMENTAL] Path to configuration file that can enable TLS or authentication.                                                                                                                  |
 | `web.listen-address`                | No       | `:9255`                   | Address to listen on for web interface and telemetry Repeatable for multiple addresses.                                                                                                           |