message: Add missing back-quote
diff: @@ -399,7 +399,7 @@ matrix is assumed to be zero and not accessed.
  `rhs` is a tensor of shape `[..., M, K]`.
  The output is a tensor of shape `[..., M, K]`. If `adjoint` is
  -`True` then the innermost matrices in output` satisfy matrix equations
  +`True` then the innermost matrices in `output` satisfy matrix equations
  `matrix[..., :, :] * output[..., :, :] = rhs[..., :, :]`.
  If `adjoint` is `False` then the strictly then the innermost matrices in
  `output` satisfy matrix equations
  