improve documentation on Inheritance

Signed-off-by: Otavio Santana <otaviopolianasantana@gmail.com>

api/mapping/mapping-core/src/main/java/jakarta/nosql/mapping/Inheritance.java

@@ -25,6 +25,11 @@
 /**
  * Specifies the inheritance strategy to be used for an entity class hierarchy.
  * It is specified on the entity class that is the root of the entity class hierarchy.
+ *
+ * This class can be either a regular or an abstract;
+ * The table/column-family/document-collection will have a column for every attribute
+ * of every class in the hierarchy.
+ * The subclass will use the {@link Entity} name from that class with this annotation.
  */
 @Retention(RetentionPolicy.RUNTIME)
 @Target(ElementType.TYPE)