diff --git a/drivers/gpu/nvgpu/include/nvgpu/gops_pmu.h b/drivers/gpu/nvgpu/include/nvgpu/gops_pmu.h
index fde464a02..010325244 100644
--- a/drivers/gpu/nvgpu/include/nvgpu/gops_pmu.h
+++ b/drivers/gpu/nvgpu/include/nvgpu/gops_pmu.h
@@ -175,7 +175,9 @@ struct gops_pmu {
 	 *
 	 * @param void
 	 *
-	 * @return address.
+	 * @return Chip specific PMU Engine Falcon base address.
+	 *         For GV11B, GV11B PMU Engine Falcon base address will be
+	 *         returned.
 	 */
 	u32 (*falcon_base_addr)(void);