(doc) fix javadocs
diff --git a/src/main/java/org/apache/maven/plugins/announcement/AnnouncementMailMojo.java b/src/main/java/org/apache/maven/plugins/announcement/AnnouncementMailMojo.java
index 23315fc..d618463 100644
--- a/src/main/java/org/apache/maven/plugins/announcement/AnnouncementMailMojo.java
+++ b/src/main/java/org/apache/maven/plugins/announcement/AnnouncementMailMojo.java
@@ -68,7 +68,7 @@
private List<Developer> from;
/**
- * The id of the developer sending the announcement mail. Only used if the <tt>mailSender</tt> attribute is not set.
+ * The id of the developer sending the announcement mail. Only used if the {@code mailSender} attribute is not set.
* In this case, this should match the id of one of the developers in the pom. If a matching developer is not found,
* then the first developer in the pom will be used.
*/
@@ -402,9 +402,9 @@
/**
* Returns the identify of the mail sender according to the plugin's configuration:
* <ul>
- * <li>if the <tt>mailSender</tt> parameter is set, it is returned</li>
- * <li>if no <tt>fromDeveloperId</tt> is set, the first developer in the list is returned</li>
- * <li>if a <tt>fromDeveloperId</tt> is set, the developer with that id is returned</li>
+ * <li>if the {@code mailSender} parameter is set, it is returned</li>
+ * <li>if no {@code fromDeveloperId} is set, the first developer in the list is returned</li>
+ * <li>if a {@code fromDeveloperId} is set, the developer with that id is returned</li>
* <li>if the developers list is empty or if the specified id does not exist, an exception is thrown</li>
* </ul>
*
