Typo in PE-SPH

src/hydro/PressureEntropy/hydro.h

@@ -442,7 +442,7 @@ __attribute__((always_inline)) INLINE static void hydro_end_force(
 
   p->force.h_dt *= p->h * hydro_dimension_inv;
 
-  p->entropy_dt *=
+  p->entropy_dt =
       0.5f * gas_entropy_from_internal_energy(p->rho_bar, p->entropy_dt);
 }