fix typo

src/flow.tex

@@ -507,7 +507,7 @@ \section{Generalization to Multiple Baths}
 
 Note that this models a situation where each bath couples with the
 system through exactly one spectral density and is therefore not fully
-general.  We refer to \cref{sec:hops_multibath} for an review of the
+general.  We refer to \cref{sec:hops_multibath} for a review of the
 NMQSD theory and HOPS method for multiple baths.
 
 Because the bath energy change is being calculated directly and not