1 files changed, 2 insertions, 1 deletions
diff --git a/main.tex b/main.tex
index 8070a95..1839913 100644
--- a/main.tex
+++ b/main.tex
@@ -371,9 +371,10 @@ $\langle\epsilon\rangle$ (or
 $\eta_\star(\langle\epsilon\rangle)=\langle\eta\rangle$) yields
 \begin{equation}
   \bigg(\frac{\delta\eta_\star[\epsilon](x)}{\delta\epsilon_\X(x')}\bigg)^\recip\bigg|_{\epsilon=\langle\epsilon\rangle}
-    =-\frac2b\chi^\recip(x,x')-\frac{b}{2C_\X}\delta(x-x').
+    =-\frac2b\chi^\recip(x,x')-\frac{b}{2C_\X}\delta(x-x'),
   \label{eq:recip.deriv.op}
 \end{equation}
+where $\chi^\recip$ is the \op\ susceptibilty given by \eqref{eq:sus_def}.
 Upon substitution into \eqref{eq:big.boy} and taking the Fourier transform of
 the result, we finally arrive at
 \begin{equation}