Referenced external configuration as an example.

git-svn-id: https://atinject.googlecode.com/svn/trunk@53 3bc8319c-20ab-11de-9edc-3f40a397ab60
diff --git a/src/javax/inject/Inject.java b/src/javax/inject/Inject.java
index 788d94b..e2d0b9a 100644
--- a/src/javax/inject/Inject.java
+++ b/src/javax/inject/Inject.java
@@ -141,8 +141,9 @@
  *   <li>has an injectable constructor.</li>
  * </ol>
  *
- * <p>Beyond that, which values are injected depend upon the injector
- * implementation and its configuration.
+ * <p>For example, the user might use external configuration to choose an
+ * implementation. Beyond that, which values are injected depend upon the
+ * injector implementation and its configuration.
  *
  * <h3>Circular Dependencies</h3>
  *