Added spring package to Javadocs. Made minor updates to various Javadocs.

git-svn-id: https://google-guice.googlecode.com/svn/trunk@259 d779f126-a31b-0410-b53b-1d3aecad763e
diff --git a/src/com/google/inject/Scopes.java b/src/com/google/inject/Scopes.java
index 73214cd..80f8967 100644
--- a/src/com/google/inject/Scopes.java
+++ b/src/com/google/inject/Scopes.java
@@ -30,7 +30,7 @@
   private Scopes() {}
 
   /**
-   * One instance per Injector. Also see {@code @}{@link Singleton}.
+   * One instance per {@link Injector}. Also see {@code @}{@link Singleton}.
    */
   public static final Scope SINGLETON = new Scope() {
     public <T> Provider<T> scope(Key<T> key, final Provider<T> creator) {