diff --git a/spacetime_penrose_area_charge_v2.txt b/spacetime_penrose_area_charge_v2.txt
index 7ffad31..8b69aec 100644
--- a/spacetime_penrose_area_charge_v2.txt
+++ b/spacetime_penrose_area_charge_v2.txt
@@ -141,13 +141,13 @@ contributions end and the classical machinery begins.
   energy $E_h$, and $\partial N$ is a compact outermost smooth minimal
   surface of total area $A$, then $E_h\ge\sqrt{A/16\pi}$, with equality
   in the nondegenerate case exactly for the Schwarzschild horizon.
-./pdf/bray-2001.pdf ./huisken-ilmanen-2001.pdf
+./pdf/huisken-ilmanen-2001.pdf
 
 (T2) Positive mass theorem (Schoen--Yau 1979, Witten 1981). A
   complete connected asymptotically flat three-manifold with $R_h\ge 0$
   satisfies $E_h\ge |P_h|_\delta$, with equality if and only if
   $(N,h)$ is Euclidean.
-./pdf/schoen-yau-1979.pdf ./witten-1981.pdf
+./pdf/witten-1981.pdf
 
 (T3) Static vacuum uniqueness (Bunting--Masood-ul-Alam 1987).
   A complete three-dimensional static vacuum data set $(N,h,N)$ with