diff --git a/identity/java/android/security/identity/AccessControlProfileId.java b/identity/java/android/security/identity/AccessControlProfileId.java
index 3d5945065ad7d..6caac0a8a0654 100644
--- a/identity/java/android/security/identity/AccessControlProfileId.java
+++ b/identity/java/android/security/identity/AccessControlProfileId.java
@@ -25,6 +25,8 @@ public class AccessControlProfileId {
     /**
      * Constructs a new object holding a numerical identifier.
      *
+     * <p>The identifier must be a non-negative number and less than 32.
+     *
      * @param id the identifier.
      */
     public AccessControlProfileId(int id) {
diff --git a/identity/java/android/security/identity/IdentityCredentialStore.java b/identity/java/android/security/identity/IdentityCredentialStore.java
index 4f834d2b87b5a..3843d92799008 100644
--- a/identity/java/android/security/identity/IdentityCredentialStore.java
+++ b/identity/java/android/security/identity/IdentityCredentialStore.java
@@ -46,7 +46,7 @@ import java.lang.annotation.RetentionPolicy;
  * access control profile IDs.  Names are strings and values are typed and can be any
  * value supported by <a href="http://cbor.io/">CBOR</a>.</li>
  *
- * <li>A set of access control profiles, each with a profile ID and a specification
+ * <li>A set of access control profiles (up to 32), each with a profile ID and a specification
  * of the conditions which satisfy the profile's requirements.</li>
  *
  * <li>An asymmetric key pair which is used to authenticate the credential to the Issuing