diff --git a/maven-invoker-plugin/src/main/java/org/apache/maven/plugin/invoker/AbstractInvokerMojo.java b/maven-invoker-plugin/src/main/java/org/apache/maven/plugin/invoker/AbstractInvokerMojo.java
index c85b83d..519ce90 100644
--- a/maven-invoker-plugin/src/main/java/org/apache/maven/plugin/invoker/AbstractInvokerMojo.java
+++ b/maven-invoker-plugin/src/main/java/org/apache/maven/plugin/invoker/AbstractInvokerMojo.java
@@ -458,8 +458,9 @@
      *
      * <pre>
      * # A comma or space separated list of goals/phases to execute, may
-     * # specify an empty list to execute the default goal of the IT project
-     * invoker.goals = clean install
+     * # specify an empty list to execute the default goal of the IT project.
+     * # Environment variables used by maven plugins can be added here
+     * invoker.goals = clean install -Dplugin.variable=value
      *
      * # Or you can give things like this if you need.
      * invoker.goals = -T2 clean verify