diff --git a/Notes/BSEdyn-notes.tex b/Notes/BSEdyn-notes.tex
index 10972e0..713ca75 100644
--- a/Notes/BSEdyn-notes.tex
+++ b/Notes/BSEdyn-notes.tex
@@ -367,7 +367,7 @@ is the correlation part of the self-energy $\Sig{}$, and
 	Z_{p}^{\GW} = \qty( 1 - \left. \pdv{\SigGW{p}(\omega)}{\omega} \right|_{\omega = \e{p}} )^{-1}
 \end{equation}
 is the renormalization factor.
-In Eq.~\eqref{eq:SigGW}, $\Omega = \Delta\eGW{} + 2 \ERI{vc}{vc}$ is the sole (singlet) RPA excitation energy of the system, with $\Delta\eGW{} = \eGW{c} - \eGW{v}$.
+In Eq.~\eqref{eq:SigGW}, $\Omega = \Delta\e{} + 2 \ERI{vc}{cv}$ is the sole (singlet) RPA excitation energy of the system, with $\Delta\eGW{} = \eGW{c} - \eGW{v}$.
 Numerically, we get
 \begin{align}
 	\Omega & = 2.769\,327