message: [NFC] Fix ResourceApplyAdam comment regarding formula of using/not using Nesterov computation
diff: @@ -530,9 +530,9 @@ class ResourceApplyAdam : public XlaOpKernel {
  // alpha <- learning_rate * sqrt(1 - beta2^t) / (1 - beta1^t)
  // m_t <- beta1 * m_{t-1} + (1 - beta1) * g_t
  // v_t <- beta2 * v_{t-1} + (1 - beta2) * g_t * g_t
  - // if use_nesterov:
  - // variable <- variable - alpha * m_t / (sqrt(v_t) + epsilon)
  // if not use_nesterov:
  + // variable <- variable - alpha * m_t / (sqrt(v_t) + epsilon)
  + // if use_nesterov:
  // variable <- variable - alpha * (m_t * beta1 + (1 - beta1) * g_t) /
  // (sqrt(v_t) + epsilon)
  