diff --git a/constants/82a.md b/constants/82a.md
index 0762b43..32a40e0 100644
--- a/constants/82a.md
+++ b/constants/82a.md
@@ -58,7 +58,7 @@ J. Théor. Nombres Bordeaux 13 (2001), no. 1, 103–110.
 - [D03] Dresden, Gregory P.
 Sums of heights of algebraic numbers.
 Math. Comp. 72 (2003), no. 243, 1487–1499
--[F18] Flammang, V.
+- [F18] Flammang, V.
 On the Zhang-Zagier measure.
 Int. J. Number Theory 14 (2018), no. 10, 2663–2671
 - [S80] Smyth, C. J.