diff --git a/maven-model-builder/src/main/java/org/apache/maven/model/io/ModelReader.java b/maven-model-builder/src/main/java/org/apache/maven/model/io/ModelReader.java
index 76e2418e82..9a4735256e 100644
--- a/maven-model-builder/src/main/java/org/apache/maven/model/io/ModelReader.java
+++ b/maven-model-builder/src/main/java/org/apache/maven/model/io/ModelReader.java
@@ -53,7 +53,8 @@ public interface ModelReader
         throws IOException;
 
     /**
-     * Reads the model from the specified character reader.
+     * Reads the model from the specified character reader. The reader will be automatically closed before the method
+     * returns.
      * 
      * @param input The reader to deserialize the model from, must not be {@code null}.
      * @param options The options to use for deserialization, may be {@code null} to use the default values.
@@ -64,7 +65,8 @@ public interface ModelReader
         throws IOException;
 
     /**
-     * Reads the model from the specified byte stream.
+     * Reads the model from the specified byte stream. The stream will be automatically closed before the method
+     * returns.
      * 
      * @param input The stream to deserialize the model from, must not be {@code null}.
      * @param options The options to use for deserialization, may be {@code null} to use the default values.
diff --git a/maven-model-builder/src/main/java/org/apache/maven/model/io/ModelWriter.java b/maven-model-builder/src/main/java/org/apache/maven/model/io/ModelWriter.java
index 207385b062..481c113d85 100644
--- a/maven-model-builder/src/main/java/org/apache/maven/model/io/ModelWriter.java
+++ b/maven-model-builder/src/main/java/org/apache/maven/model/io/ModelWriter.java
@@ -48,7 +48,8 @@ public interface ModelWriter
         throws IOException;
 
     /**
-     * Writes the supplied model to the specified character writer.
+     * Writes the supplied model to the specified character writer. The writer will be automatically closed before the
+     * method returns.
      * 
      * @param output The writer to serialize the model to, must not be {@code null}.
      * @param options The options to use for serialization, may be {@code null} to use the default values.
@@ -59,7 +60,8 @@ public interface ModelWriter
         throws IOException;
 
     /**
-     * Writes the supplied model to the specified byte stream.
+     * Writes the supplied model to the specified byte stream. The stream will be automatically closed before the method
+     * returns.
      * 
      * @param output The stream to serialize the model to, must not be {@code null}.
      * @param options The options to use for serialization, may be {@code null} to use the default values.