diff --git a/crossing_number_bipartite_v2.txt b/crossing_number_bipartite_v2.txt
index 11de3c6..961b1dd 100644
--- a/crossing_number_bipartite_v2.txt
+++ b/crossing_number_bipartite_v2.txt
@@ -684,7 +684,7 @@ so that P(x_p,x_q) = "c . h_pq" where c is the coefficient vector.
 Its size:
       |Q_s|  =  s(s+1)/2 + s(s-1)/2  =  s^2  =  d.
 For s=3 (n=7), with rows p and columns q, X = in Q_s:
-      p\q   1  2  3  4  5  6  7
+      p vs q   1  2  3  4  5  6  7
       1     .  .  .  .  .  .  .
       2     X  .  .  .  .  .  .
       3     X  X  .  .  .  .  .