diff --git a/projects/hip/include/hip/hip_runtime_api.h b/projects/hip/include/hip/hip_runtime_api.h
index b2b4dc3e93..5df9f4d080 100644
--- a/projects/hip/include/hip/hip_runtime_api.h
+++ b/projects/hip/include/hip/hip_runtime_api.h
@@ -4652,6 +4652,8 @@ hipError_t hipMemcpy(void* dst, const void* src, size_t sizeBytes, hipMemcpyKind
 /**
  *  @brief Memory copy on the stream.
  *  It allows single or multiple devices to do memory copy on single or multiple streams.
+ *  The operation is akin to hipMemcpyAsync + hipStreamSynchronize.
+ *  Since it is a sync API, it is not allowed during graph capture.
  *
  *  @param[out]  dst Data being copy to
  *  @param[in]  src Data being copy from