diff --git a/spring-web/src/main/java/org/springframework/http/converter/json/AbstractJackson2HttpMessageConverter.java b/spring-web/src/main/java/org/springframework/http/converter/json/AbstractJackson2HttpMessageConverter.java
index 3206554845..acd088b3c4 100644
--- a/spring-web/src/main/java/org/springframework/http/converter/json/AbstractJackson2HttpMessageConverter.java
+++ b/spring-web/src/main/java/org/springframework/http/converter/json/AbstractJackson2HttpMessageConverter.java
@@ -285,9 +285,9 @@ public abstract class AbstractJackson2HttpMessageConverter extends AbstractGener
 	}
 
 	/**
-	 * Return the charset to use for JSON input.
+	 * Determine the charset to use for JSON input.
 	 * <p>By default this is either the charset from the input {@code MediaType}
-	 * or otherwise falling back on {@code UTF-8}.
+	 * or otherwise falling back on {@code UTF-8}. Can be overridden in subclasses.
 	 * @param contentType the content type of the HTTP input message
 	 * @return the charset to use
 	 * @since 5.1.18