diff --git a/user/src/com/google/gwt/junit/JUnitShell.java b/user/src/com/google/gwt/junit/JUnitShell.java
index e692f0b..b0c7467 100644
--- a/user/src/com/google/gwt/junit/JUnitShell.java
+++ b/user/src/com/google/gwt/junit/JUnitShell.java
@@ -434,7 +434,7 @@
       registerHandler(new ArgHandlerFlag() {
         @Override
         public String getPurpose() {
-          return "Use CSS standards mode (rather than quirks mode) for the hosting page";
+          return "Use a document in standards mode (rather than quirks mode) for the hosting page";
         }
 
         @Override