diff --git a/spring-boot-docs/src/main/asciidoc/production-ready-features.adoc b/spring-boot-docs/src/main/asciidoc/production-ready-features.adoc
index 94c5ec02b7..cc680083e1 100644
--- a/spring-boot-docs/src/main/asciidoc/production-ready-features.adoc
+++ b/spring-boot-docs/src/main/asciidoc/production-ready-features.adoc
@@ -1230,7 +1230,7 @@ private String prefix = "metrics";
 @Bean
 @ExportMetricWriter
 MetricWriter metricWriter() {
-	return new StatsdMetricWriter(prefix, "localhost", "8125");
+	return new StatsdMetricWriter(prefix, "localhost", 8125);
 }
 ----