Polish "Clarify that RestTemplateBuilder overwrites default converters"

Closes gh-13714

spring-boot/src/main/java/org/springframework/boot/web/client/RestTemplateBuilder.java

@@ -169,7 +169,8 @@ public class RestTemplateBuilder {
 	/**
 	 * Set the {@link HttpMessageConverter HttpMessageConverters} that should be used with
 	 * the {@link RestTemplate}. Setting this value will replace any previously configured
-	 * converters.
+	 * converters and any converters configured on the builder will replace RestTemplate's
+	 * default converters.
 	 * @param messageConverters the converters to set
 	 * @return a new builder instance
 	 * @see #additionalMessageConverters(HttpMessageConverter...)
@@ -183,7 +184,8 @@ public class RestTemplateBuilder {
 	/**
 	 * Set the {@link HttpMessageConverter HttpMessageConverters} that should be used with
 	 * the {@link RestTemplate}. Setting this value will replace any previously configured
-	 * converters.
+	 * converters and any converters configured on the builder will replace RestTemplate's
+	 * default converters.
 	 * @param messageConverters the converters to set
 	 * @return a new builder instance
 	 * @see #additionalMessageConverters(HttpMessageConverter...)
@@ -201,8 +203,8 @@ public class RestTemplateBuilder {
 
 	/**
 	 * Add additional {@link HttpMessageConverter HttpMessageConverters} that should be
-	 * used with the {@link RestTemplate}. The final list of converters replace any
-	 * RestTemplate came configured with.
+	 * used with the {@link RestTemplate}. Any converters configured on the builder will
+	 * replace RestTemplate's default converters.
 	 * @param messageConverters the converters to add
 	 * @return a new builder instance
 	 * @see #messageConverters(HttpMessageConverter...)
@@ -215,8 +217,8 @@ public class RestTemplateBuilder {
 
 	/**
 	 * Add additional {@link HttpMessageConverter HttpMessageConverters} that should be
-	 * used with the {@link RestTemplate}. The final list of converters replace any
-	 * RestTemplate came configured with.
+	 * used with the {@link RestTemplate}. Any converters configured on the builder will
+	 * replace RestTemplate's default converters.
 	 * @param messageConverters the converters to add
 	 * @return a new builder instance
 	 * @see #messageConverters(HttpMessageConverter...)