fix javadoc

Signed-off-by: Lukas Jungmann <lukas.jungmann@oracle.com>

api/src/main/java/jakarta/json/spi/JsonProvider.java

diff --git a/api/src/main/java/jakarta/json/spi/JsonProvider.java b/api/src/main/java/jakarta/json/spi/JsonProvider.java
index 4587f77..28fe280 100644
--- a/api/src/main/java/jakarta/json/spi/JsonProvider.java
+++ b/api/src/main/java/jakarta/json/spi/JsonProvider.java
@@ -146,9 +146,9 @@
 
     /**
      * Creates a new instance from the specified class
-     * @param className class to instantiate
+     * @param className name of the class to instantiate
      * @return the JsonProvider instance
-     * @throws IllegalArgumentException for reflection issues
+     * @throws JsonException for issues during creation of an instance of the JsonProvider
      */
     private static JsonProvider newInstance(String className) {
         try {