Update README.md

Co-authored-by: Mark Kuhn <kuhn.mark@outlook.com>

Author: rayabagi

README.md

@@ -170,7 +170,7 @@ Adds a new metric to the current logger context. Multiple metrics using the same
 Metrics must meet CloudWatch Metrics requirements, otherwise a `InvalidMetricException` will be thrown. See [MetricDatum](https://docs.aws.amazon.com/AmazonCloudWatch/latest/APIReference/API_MetricDatum.html) for valid values.
 
 ##### Storage Resolution.
-An OPTIONAL value representing the storage resolution for the corresponding metric. Setting this to High specifies this metric as a high-resolution metric, so that CloudWatch stores the metric with sub-minute resolution down to one second. Setting this to 60 specifies this metric as a Standard-resolution metric, which CloudWatch stores at 1-minute resolution. If a value is not provided, then a default value of Standard is assumed. See [Cloud Watch High-Resolution metrics](https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/publishingMetrics.html#high-resolution-metrics)
+An OPTIONAL value representing the storage resolution for the corresponding metric. Setting this to `High` specifies this metric as a high-resolution metric, so that CloudWatch stores the metric with sub-minute resolution down to one second. Setting this to `Standard` specifies this metric as a standard-resolution metric, which CloudWatch stores at 1-minute resolution. If a value is not provided, then a default value of `Standard` is assumed. See [Cloud Watch High-Resolution metrics](https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/publishingMetrics.html#high-resolution-metrics)
 
 Example: