diff --git a/signed_cylinder_marked_polygons_v2.txt b/signed_cylinder_marked_polygons_v2.txt
index 715c9e5..1960b3c 100644
--- a/signed_cylinder_marked_polygons_v2.txt
+++ b/signed_cylinder_marked_polygons_v2.txt
@@ -502,7 +502,7 @@ and the integral and required derivatives converge locally uniformly in
 |Im y| < pi - alpha. At y = -3 i alpha, splitting positive and negative k gives
 the moment matrix equation
 
-    D c = B(0),  D = int_0^infty B(k) A(k)^T w(k) dk.
+    D c = B(0),  D = int_0^infinity B(k) A(k)^T w(k) dk.
 
 D is nonsingular. The ordered determinant expansion of det D is an integral
 over 0 < k_1 < ... < k_M of a product of two determinants times positive