Fix summary for FragmentTransaction.show()

An apparent copy-paste left out a change that should have
been made in the method summary.

Change-Id: I158a30462fadcf617240047960e1b187b8210f6c
diff --git a/core/java/android/app/FragmentTransaction.java b/core/java/android/app/FragmentTransaction.java
index dc4acbe..5aec348 100644
--- a/core/java/android/app/FragmentTransaction.java
+++ b/core/java/android/app/FragmentTransaction.java
@@ -76,7 +76,7 @@
     public abstract FragmentTransaction hide(Fragment fragment);
     
     /**
-     * Hides a previously hidden fragment.  This is only relevant for fragments whose
+     * Shows a previously hidden fragment.  This is only relevant for fragments whose
      * views have been added to a container, as this will cause the view to
      * be shown.
      *