diff --git a/transport/base/1.0/IBase.hal b/transport/base/1.0/IBase.hal
index e862ec8..22007f0 100644
--- a/transport/base/1.0/IBase.hal
+++ b/transport/base/1.0/IBase.hal
@@ -87,7 +87,10 @@
     linkToDeath(death_recipient recipient, uint64_t cookie) generates (bool success);
 
     /*
-     * Unregisters a previously registered death recipient.
+     * Unregisters the registered death recipient. If this service was registered
+     * multiple times with the same exact death recipient, this unlinks the most
+     * recently registered one.
+     *
      * @param recipient a previously registered hidl_death_recipient callback
      * @return success whether the death recipient was unregistered successfully.
      */
diff --git a/transport/current.txt b/transport/current.txt
index 599b644..b338d12 100644
--- a/transport/current.txt
+++ b/transport/current.txt
@@ -18,3 +18,6 @@
 
 # Documentation fixups for b/78135149
 fcde1d0788066a62d5766f4dc19d4c1ec76967d5ddb636f59ccc66603460bcf8 android.hidl.manager@1.0::IServiceNotification
+
+# Clarification for b/67503915
+ec7fd79ed02dfa85bc499426adae3ebe23ef0524f3cd6957139324b83b18ca4c android.hidl.base@1.0::IBase