diff --git a/drivers/gpu/nvgpu/include/nvgpu/gops/ptimer.h b/drivers/gpu/nvgpu/include/nvgpu/gops/ptimer.h
index 4520f216e..d6e289eed 100644
--- a/drivers/gpu/nvgpu/include/nvgpu/gops/ptimer.h
+++ b/drivers/gpu/nvgpu/include/nvgpu/gops/ptimer.h
@@ -72,6 +72,7 @@ struct gops_ptimer {
 	 *    priv ring HAL to decode the error.
 	 * 6. We clear SAVE_0 and SAVE_1 registers so that the next pri access
 	 *    error can be recorded.
+	 * 7. Report the PRI_TIMEOUT_ERROR to SDL unit.
 	 */
 	void (*isr)(struct gk20a *g);