diff --git a/doc/handbook/fluidframework.tex b/doc/handbook/fluidframework.tex
index e473bcb5f7168da41249af38a7afac7b80103d6f..2e5852a4f573c5d7849e007ced00bec5256e12e3 100644
--- a/doc/handbook/fluidframework.tex
+++ b/doc/handbook/fluidframework.tex
@@ -94,7 +94,7 @@ Also, {\bf all} fluid states {\bf must} provide the following methods:
   $x^\kappa_\alpha$ is defined as the ratio of the number of molecules
   of component $\kappa$ and the total number of molecules of the phase
   $\alpha$.
-\item[moleFraction():] Returns the mass fraction $X^\kappa_\alpha$ of
+\item[massFraction():] Returns the mass fraction $X^\kappa_\alpha$ of
   component $\kappa$ in fluid phase $\alpha$. The mass fraction
   $X^\kappa_\alpha$ is defined as the weight of all molecules of a
   component divided by the total mass of the fluid phase. It is