Fix typo in javadoc (nonheap vs non_heap)
@@ -30,7 +30,7 @@ import java.util.List;
*
* <pre>
* runtime.jvm.memory.area{type="used",area="heap"} 2000000
- * runtime.jvm.memory.area{type="committed",area="nonheap"} 200000
+ * runtime.jvm.memory.area{type="committed",area="non_heap"} 200000
* runtime.jvm.memory.area{type="used",pool="PS Eden Space"} 2000
* </pre>
*/
