Fixed package documentation to not reference Factory.

git-svn-id: https://google-guice.googlecode.com/svn/trunk@216 d779f126-a31b-0410-b53b-1d3aecad763e
diff --git a/src/com/google/inject/package-info.java b/src/com/google/inject/package-info.java
index ebc78e5..c745240 100644
--- a/src/com/google/inject/package-info.java
+++ b/src/com/google/inject/package-info.java
@@ -38,9 +38,10 @@
  * <dd>The object that Guice passes into your {@link com.google.inject.Module}
  *     to collect these bindings.
  *
- * <dt>{@link com.google.inject.Factory}
+ * <dt>{@link com.google.inject.Provider}
  * <dd>The interface you will implement when you need to customize exactly how
- *     Guice creates instances for a particular binding.
+ *     Guice creates instances for a particular binding. Also the interface
+ *     used to retrieve instances of a binding from the {@code Container}.
  *
  * </dl>
  *