diff --git a/junit-jupiter-params/src/main/java/org/junit/jupiter/params/ParameterizedTest.java b/junit-jupiter-params/src/main/java/org/junit/jupiter/params/ParameterizedTest.java
index 707668bcc9eb..39f4e0d5ddd8 100644
--- a/junit-jupiter-params/src/main/java/org/junit/jupiter/params/ParameterizedTest.java
+++ b/junit-jupiter-params/src/main/java/org/junit/jupiter/params/ParameterizedTest.java
@@ -193,7 +193,9 @@
 	 * </ul>
 	 *
 	 * <p>For the latter, you may use {@link java.text.MessageFormat} patterns
-	 * to customize formatting.
+	 * to customize formatting. Please note that the original arguments are
+	 * passed when formatting, regardless of any implicit or explicit argument
+	 * conversions.
 	 *
 	 * @see java.text.MessageFormat
 	 */