docs: update explanation about id

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

spec/src/main/asciidoc/chapters/mapping/annotations.adoc

@@ -112,7 +112,7 @@ public class Person {
 
 ==== @Id
 
-This annotation defines which attribute is the entity's ID, or the Key in Key-Value databases. In such a case, the Value is the remaining information. It has a single attribute (like `@Column`) to define the native name. Unlike `@Column`, the default value is `_id`.
+This annotation defines which attribute is the entity's ID, or the Key in Key-Value databases. Unlike `@Column`, the default value is `_id`.
 
 [source,java]
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