Update docs

Change-Id: I69dac1417212d8b51ab7627e3ff947d83f7939f2
diff --git a/v14/preference/src/android/support/v14/preference/PreferenceFragment.java b/v14/preference/src/android/support/v14/preference/PreferenceFragment.java
index 9558d01..b9fc935 100644
--- a/v14/preference/src/android/support/v14/preference/PreferenceFragment.java
+++ b/v14/preference/src/android/support/v14/preference/PreferenceFragment.java
@@ -63,7 +63,7 @@
  * hierarchy. Furthermore, subsequent {@link PreferenceScreen} in the hierarchy
  * denote a screen break--that is the preferences contained within subsequent
  * {@link PreferenceScreen} should be shown on another screen. The preference
- * framework handles showing these other screens from the preference hierarchy.
+ * framework handles this by calling {@link #onNavigateToScreen(PreferenceScreen)}.
  * <p>
  * The preference hierarchy can be formed in multiple ways:
  * <li> From an XML file specifying the hierarchy
diff --git a/v7/preference/src/android/support/v7/preference/PreferenceFragmentCompat.java b/v7/preference/src/android/support/v7/preference/PreferenceFragmentCompat.java
index be99130..221d3ea 100644
--- a/v7/preference/src/android/support/v7/preference/PreferenceFragmentCompat.java
+++ b/v7/preference/src/android/support/v7/preference/PreferenceFragmentCompat.java
@@ -55,7 +55,7 @@
  * hierarchy. Furthermore, subsequent {@link PreferenceScreen} in the hierarchy
  * denote a screen break--that is the preferences contained within subsequent
  * {@link PreferenceScreen} should be shown on another screen. The preference
- * framework handles showing these other screens from the preference hierarchy.
+ * framework handles this by calling {@link #onNavigateToScreen(PreferenceScreen)}.
  * <p>
  * The preference hierarchy can be formed in multiple ways:
  * <li> From an XML file specifying the hierarchy