diff --git a/docs/pom.xml b/docs/pom.xml
index 197aee58c..7e2fd1d39 100644
--- a/docs/pom.xml
+++ b/docs/pom.xml
@@ -3,7 +3,6 @@
 		 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 		 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
-	<!-- 	<groupId>org.springframework.cloud</groupId> -->
 	<artifactId>spring-cloud-function-docs</artifactId>
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
diff --git a/spring-cloud-function-context/src/main/java/org/springframework/cloud/function/json/JsonMapper.java b/spring-cloud-function-context/src/main/java/org/springframework/cloud/function/json/JsonMapper.java
index db15eaf40..15ffa3574 100644
--- a/spring-cloud-function-context/src/main/java/org/springframework/cloud/function/json/JsonMapper.java
+++ b/spring-cloud-function-context/src/main/java/org/springframework/cloud/function/json/JsonMapper.java
@@ -28,7 +28,7 @@ import org.springframework.core.ResolvableType;
 public interface JsonMapper {
 
 	/**
-	 * @deprecated in favor of {@link #toObject(String, Type)}
+	 * @deprecated since v2.0 in favor of {@link #toObject(String, Type)}
 	 */
 	@Deprecated
 	default <T> List<T> toList(String json, Class<T> type) {
@@ -45,7 +45,7 @@ public interface JsonMapper {
 	<T> T toObject(String json, Type type);
 
 	/**
-	 * @deprecated in favor of {@link #toObject(String, Type)}
+	 * @deprecated since v2.0 in favor of {@link #toObject(String, Type)}
 	 */
 	default <T> T toSingle(String json, Class<T> type) {
 		return toObject(json, type);
diff --git a/spring-cloud-function-web/src/main/java/org/springframework/cloud/function/web/function/FunctionEndpointInitializer.java b/spring-cloud-function-web/src/main/java/org/springframework/cloud/function/web/function/FunctionEndpointInitializer.java
index 8baec9692..658c257df 100644
--- a/spring-cloud-function-web/src/main/java/org/springframework/cloud/function/web/function/FunctionEndpointInitializer.java
+++ b/spring-cloud-function-web/src/main/java/org/springframework/cloud/function/web/function/FunctionEndpointInitializer.java
@@ -183,7 +183,7 @@ class FunctionEndpointInitializer
 			logger.info("Server started");
 			try {
 				double uptime = ManagementFactory.getRuntimeMXBean().getUptime();
-				System.err.println("JVM running for " + uptime + "ms");
+				logger.error("JVM running for " + uptime + "ms");
 			}
 			catch (Throwable e) {
 				// ignore