fix wording

eventually means finally, but what was rather meant is optionally

Author: kwin

maven-plugin-annotations/src/main/java/org/apache/maven/plugins/annotations/Parameter.java

@@ -64,7 +64,7 @@
     String property() default "";
 
     /**
-     * parameter default value, eventually containing <code>${...}</code> expressions which will be interpreted at
+     * parameter default value, may contain <code>${...}</code> expressions which will be interpreted at
      * inject time: see
      * <a href="/ref/current/maven-core/apidocs/org/apache/maven/plugin/PluginParameterExpressionEvaluator.html">
      * PluginParameterExpressionEvaluator</a>.