EmailMessageBuilder shoud implement EmailCreator

README.adoc

@@ -142,7 +142,7 @@ C'est à la classe builder de le faire:
 
 ```java
 public class EmailMessageBuilder
-    implements EmailFrom, EmailTo, EmailSubject, EmailBody, EmailBody {
+    implements EmailFrom, EmailTo, EmailSubject, EmailBody, EmailCreator {
 
     }