Merge pull request #311830 from jlian/fix/metrics-blockedmetrics-typo

Fix incorrect BlockedMetrics description in metrics transport guide

Author: prmerger-automator[bot]

articles/iot-edge/how-to-collect-and-transport-metrics.md

@@ -90,7 +90,7 @@ All configuration for the metrics-collector is done using environment variables.
 | `ScrapeFrequencyInSecs` | Recurring time interval in seconds at which to collect and transport metrics.<br><br>  Example: *600* <br><br>  **Not required** <br><br> Default value: *300* |
 | `MetricsEndpointsCSV` | Comma-separated list of endpoints to collect Prometheus metrics from. All module endpoints to collect metrics from must appear in this list.<br><br>  Example: *http://edgeAgent:9600/metrics, http://edgeHub:9600/metrics, http://MetricsSpewer:9417/metrics* <br><br>  **Not required** <br><br> Default value: *http://edgeHub:9600/metrics, http://edgeAgent:9600/metrics* |
 | `AllowedMetrics` | List of metrics to collect, all other metrics are ignored. Set to an empty string to disable. For more information, see [Allow and disallow lists](#allow-and-disallow-lists). <br><br>Example: *metricToScrape{quantile=0.99}[endpoint=http://MetricsSpewer:9417/metrics]*<br><br>  **Not required** <br><br> Default value: *empty* |
-| `BlockedMetrics` | List of metrics to ignore. Overrides *AllowedMetrics*, so a metric is reported if it's included in both lists. For more information, see [Allow and disallow lists](#allow-and-disallow-lists). <br><br>   Example: *metricToIgnore{quantile=0.5}[endpoint=http://VeryNoisyModule:9001/metrics], docker_container_disk_write_bytes*<br><br>  **Not required**  <br><br>Default value: *empty* |
+| `BlockedMetrics` | List of metrics to ignore. Overrides *AllowedMetrics*, so a metric isn't reported if it's included in both lists. For more information, see [Allow and disallow lists](#allow-and-disallow-lists). <br><br>   Example: *metricToIgnore{quantile=0.5}[endpoint=http://VeryNoisyModule:9001/metrics], docker_container_disk_write_bytes*<br><br>  **Not required**  <br><br>Default value: *empty* |
 | `CompressForUpload` | Controls if compression should be used when uploading metrics. Applies to all upload targets.<br><br>  Example: *true* <br><br>    **Not required** <br><br>  Default value: *true* |
 | `AzureDomain` | Specifies the top-level Azure domain to use when ingesting metrics directly to Log Analytics. <br><br>  Example: *azure.us* <br><br>    **Not required** <br><br>  Default value: *azure.com* |