Fix typo

spring-boot-project/spring-boot-docs/src/main/asciidoc/production-ready-features.adoc

@@ -1395,7 +1395,7 @@ You can also change the interval at which metrics are sent to Datadog:
 
 [source,properties,indent=0]
 ----
-	management.metrics.export.datadog.steps=30s
+	management.metrics.export.datadog.step=30s
 ----
 
 
@@ -1468,7 +1468,7 @@ You can also change the interval at which metrics are sent to New Relic:
 
 [source,properties,indent=0]
 ----
-	management.metrics.export.newrelic.steps=30s
+	management.metrics.export.newrelic.step=30s
 ----
 
 
@@ -1511,7 +1511,7 @@ You can also change the interval at which metrics are sent to SignalFx:
 
 [source,properties,indent=0]
 ----
-	management.metrics.export.signalfx.steps=30s
+	management.metrics.export.signalfx.step=30s
 ----
 
 
@@ -1581,7 +1581,7 @@ You can also change the interval at which metrics are sent to Wavefront:
 
 [source,properties,indent=0]
 ----
-	management.metrics.export.wavefront.steps=30s
+	management.metrics.export.wavefront.step=30s
 ----