diff --git a/virtualizationservice/aidl/android/system/virtualizationservice_internal/IVirtualizationServiceInternal.aidl b/virtualizationservice/aidl/android/system/virtualizationservice_internal/IVirtualizationServiceInternal.aidl
index 172dc59..099a2c0 100644
--- a/virtualizationservice/aidl/android/system/virtualizationservice_internal/IVirtualizationServiceInternal.aidl
+++ b/virtualizationservice/aidl/android/system/virtualizationservice_internal/IVirtualizationServiceInternal.aidl
@@ -56,12 +56,13 @@
     VirtualMachineDebugInfo[] debugListVms();
 
     /**
-     * Requests a certificate using the provided certificate signing request (CSR).
+     * Requests a certificate chain for the provided certificate signing request (CSR).
      *
-     * @param csr the certificate signing request.
-     * @return the X.509 encoded certificate.
+     * @param csr The certificate signing request.
+     * @return A sequence of DER-encoded X.509 certificates that make up the attestation
+     *         key's certificate chain. The attestation key is provided in the CSR.
      */
-    byte[] requestCertificate(in byte[] csr);
+    byte[] requestAttestation(in byte[] csr);
 
     /**
      * Get a list of assignable devices.
diff --git a/virtualizationservice/aidl/android/system/virtualmachineservice/IVirtualMachineService.aidl b/virtualizationservice/aidl/android/system/virtualmachineservice/IVirtualMachineService.aidl
index 7b90714..87d3056 100644
--- a/virtualizationservice/aidl/android/system/virtualmachineservice/IVirtualMachineService.aidl
+++ b/virtualizationservice/aidl/android/system/virtualmachineservice/IVirtualMachineService.aidl
@@ -46,10 +46,11 @@
     void notifyError(ErrorCode errorCode, in String message);
 
     /**
-     * Requests a certificate using the provided certificate signing request (CSR).
+     * Requests a certificate chain for the provided certificate signing request (CSR).
      *
-     * @param csr the certificate signing request.
-     * @return the X.509 encoded certificate.
+     * @param csr The certificate signing request.
+     * @return A sequence of DER-encoded X.509 certificates that make up the attestation
+     *         key's certificate chain. The attestation key is provided in the CSR.
      */
-    byte[] requestCertificate(in byte[] csr);
+    byte[] requestAttestation(in byte[] csr);
 }
diff --git a/virtualizationservice/src/aidl.rs b/virtualizationservice/src/aidl.rs
index a19ecd2..4daa0cf 100644
--- a/virtualizationservice/src/aidl.rs
+++ b/virtualizationservice/src/aidl.rs
@@ -16,7 +16,7 @@
 
 use crate::{get_calling_pid, get_calling_uid};
 use crate::atom::{forward_vm_booted_atom, forward_vm_creation_atom, forward_vm_exited_atom};
-use crate::rkpvm::request_certificate;
+use crate::rkpvm::request_attestation;
 use android_os_permissions_aidl::aidl::android::os::IPermissionController;
 use android_system_virtualizationservice::{
     aidl::android::system::virtualizationservice::AssignableDevice::AssignableDevice,
@@ -158,19 +158,20 @@
         Ok(cids)
     }
 
-    fn requestCertificate(&self, csr: &[u8]) -> binder::Result<Vec<u8>> {
+    fn requestAttestation(&self, csr: &[u8]) -> binder::Result<Vec<u8>> {
         check_manage_access()?;
-        info!("Received csr. Getting certificate...");
+        info!("Received csr. Requestting attestation...");
         if cfg!(remote_attestation) {
-            request_certificate(csr)
-                .context("Failed to get certificate")
+            request_attestation(csr)
+                .context("Failed to request attestation")
                 .with_log()
                 .or_service_specific_exception(-1)
         } else {
             Err(Status::new_exception_str(
                 ExceptionCode::UNSUPPORTED_OPERATION,
                 Some(
-                    "requestCertificate is not supported with the remote_attestation feature disabled",
+                    "requestAttestation is not supported with the remote_attestation feature \
+                     disabled",
                 ),
             ))
             .with_log()
diff --git a/virtualizationservice/src/rkpvm.rs b/virtualizationservice/src/rkpvm.rs
index d6e87eb..443b280 100644
--- a/virtualizationservice/src/rkpvm.rs
+++ b/virtualizationservice/src/rkpvm.rs
@@ -21,7 +21,7 @@
 use service_vm_comm::{GenerateCertificateRequestParams, Request, Response};
 use service_vm_manager::ServiceVm;
 
-pub(crate) fn request_certificate(csr: &[u8]) -> Result<Vec<u8>> {
+pub(crate) fn request_attestation(csr: &[u8]) -> Result<Vec<u8>> {
     let mut vm = ServiceVm::start()?;
 
     // TODO(b/271275206): Send the correct request type with client VM's