1 files changed, 3 insertions, 3 deletions
diff --git a/keystore/java/android/security/KeyStoreKeySpec.java b/keystore/java/android/security/KeyStoreKeySpec.java
index 3e8448ac280f..7533bdc83279 100644
--- a/keystore/java/android/security/KeyStoreKeySpec.java
+++ b/keystore/java/android/security/KeyStoreKeySpec.java
@@ -179,10 +179,10 @@ public class KeyStoreKeySpec implements KeySpec {
 
     /**
      * Gets the duration of time (seconds) for which this key can be used after the user is
-     * successfully authenticated.
+     * successfully authenticated. This has effect only if user authentication is required.
      *
-     * @return duration in seconds or {@code -1} if not restricted. {@code 0} means authentication
-     *         is required for every use of the key.
+     * @return duration in seconds or {@code -1} if authentication is required for every use of the
+     *         key.
      *
      * @see #isUserAuthenticationRequired()
      */