Polish "Add compression mode OTLP property"

See spring-projectsgh-48957

Author: wilkinsona

module/spring-boot-micrometer-metrics/src/main/java/org/springframework/boot/micrometer/metrics/autoconfigure/export/otlp/OtlpMetricsProperties.java

@@ -51,7 +51,7 @@ public class OtlpMetricsProperties extends StepRegistryProperties {
 	private AggregationTemporality aggregationTemporality = AggregationTemporality.CUMULATIVE;
 
 	/**
-	 * Compression mode for metric data sender.
+	 * Compression mode to use when exporting metrics.
 	 */
 	private CompressionMode compressionMode = CompressionMode.NONE;