diff --git a/tools/testing/selftests/kvm/lib/kvm_util.c b/tools/testing/selftests/kvm/lib/kvm_util.c
index 39f2f5f1338f962ce0d4ac9bdea2e681442c6b1d..0c550fb0dab2fce93e0273db5f7caebd90e569c9 100644
--- a/tools/testing/selftests/kvm/lib/kvm_util.c
+++ b/tools/testing/selftests/kvm/lib/kvm_util.c
@@ -1434,7 +1434,7 @@ void vcpu_run_complete_io(struct kvm_vcpu *vcpu)
 /*
  * Get the list of guest registers which are supported for
  * KVM_GET_ONE_REG/KVM_SET_ONE_REG ioctls.  Returns a kvm_reg_list pointer,
- * it is the callers responsibility to free the list.
+ * it is the caller's responsibility to free the list.
  */
 struct kvm_reg_list *vcpu_get_reg_list(struct kvm_vcpu *vcpu)
 {