diff --git a/sections/2A.typ b/sections/2A.typ
index 1de6b70..982ec3d 100644
--- a/sections/2A.typ
+++ b/sections/2A.typ
@@ -217,7 +217,7 @@
 
 	也线性无关。
 ][
-	设 $a_1, a_2, a_3, a_4 in FF$，使得
+	设 $a_1, dots, a_m in FF$，使得
 
 	$ a_1 (5v_1 - 4v_2) + a_2 v_2 + dots.c + a_m v_m = 0 $