minor edit

Manuscript/EPAWTFT.tex

@@ -484,7 +484,7 @@ the spin-$\sigma$ electrons as
 In the weak correlation regime $0 \le U \le 2t$, the angles which minimise the HF energy, 
 \ie, $\pdv*{E_\text{HF}}{\theta_\sigma} = 0$, are 
 \begin{equation}
-	\ta^\text{RHF} = \tb^\text{RHF} = \pi/4,
+	\ta^\text{RHF} = \tb^\text{RHF} = \pi/2,
 \end{equation}
 giving the symmetry-pure molecular orbitals
 \begin{align}