message: Update fem/bilininteg_br2.cpp
diff: @@ -234,7 +234,7 @@ void DGDiffusionBR2Integrator::AssembleFaceMatrix(
  // Compute the matrix associated with (r_e([u]), r_e([u])).
  // The matrix for r_e([u]) is `MinvRe`, and so we need to form the product
  - // `MinvRe^T M MinvRe`. Canceling Minv and M, we obtain `Re^T M MinvRe`.
  + // `MinvRe^T M MinvRe`. Canceling Minv and M, we obtain `Re^T MinvRe`.
  MultAtB(Re, MinvRe, elmat);
  }
  