diff --git a/security/keymint/aidl/android/hardware/security/keymint/IKeyMintDevice.aidl b/security/keymint/aidl/android/hardware/security/keymint/IKeyMintDevice.aidl
index fc703e9..1908d05 100644
--- a/security/keymint/aidl/android/hardware/security/keymint/IKeyMintDevice.aidl
+++ b/security/keymint/aidl/android/hardware/security/keymint/IKeyMintDevice.aidl
@@ -479,8 +479,8 @@
      *        structure.
      *
      * @param unwrappingParams must contain any parameters needed to perform the unwrapping
-     *        operation.  For example, if the wrapping key is an AES key the block and padding modes
-     *        must be specified in this argument.
+     *        operation.  For example, the padding mode for the RSA wrapping key must be specified
+     *        in this argument.
      *
      * @param passwordSid specifies the password secure ID (SID) of the user that owns the key being
      *        installed.  If the authorization list in wrappedKeyData contains a
diff --git a/security/keymint/support/authorization_set.cpp b/security/keymint/support/authorization_set.cpp
index c1b5d48..5944908 100644
--- a/security/keymint/support/authorization_set.cpp
+++ b/security/keymint/support/authorization_set.cpp
@@ -22,6 +22,8 @@
 #include <aidl/android/hardware/security/keymint/KeyParameter.h>
 #include <aidl/android/hardware/security/keymint/KeyPurpose.h>
 
+#include <algorithm>
+
 namespace aidl::android::hardware::security::keymint {
 
 void AuthorizationSet::Sort() {