diff --git a/include/system/accel-ops.h b/include/system/accel-ops.h
index 55f91cea25..a4e706b49c 100644
--- a/include/system/accel-ops.h
+++ b/include/system/accel-ops.h
@@ -40,6 +40,14 @@ struct AccelOpsClass {
     void (*kick_vcpu_thread)(CPUState *cpu);
     bool (*cpu_thread_is_idle)(CPUState *cpu);
 
+    /**
+     * synchronize_post_reset:
+     * synchronize_post_init:
+     * @cpu: The vCPU to synchronize.
+     *
+     * Request to synchronize QEMU vCPU registers to the hardware accelerator
+     * (QEMU is the reference).
+     */
     void (*synchronize_post_reset)(CPUState *cpu);
     void (*synchronize_post_init)(CPUState *cpu);
     /**
diff --git a/include/system/hw_accel.h b/include/system/hw_accel.h
index 574c973840..fa9228d5d2 100644
--- a/include/system/hw_accel.h
+++ b/include/system/hw_accel.h
@@ -28,6 +28,14 @@
 void cpu_synchronize_state(CPUState *cpu);
 void cpu_synchronize_pre_loadvm(CPUState *cpu);
 
+/**
+ * cpu_synchronize_post_reset:
+ * cpu_synchronize_post_init:
+ * @cpu: The vCPU to synchronize.
+ *
+ * Request to synchronize QEMU vCPU registers to the hardware accelerator
+ * (QEMU is the reference).
+ */
 void cpu_synchronize_post_reset(CPUState *cpu);
 void cpu_synchronize_post_init(CPUState *cpu);