diff --git a/lectures/lecture07/README.md b/lectures/lecture07/README.md
index 4820b2f..2cdadc4 100644
--- a/lectures/lecture07/README.md
+++ b/lectures/lecture07/README.md
@@ -161,7 +161,7 @@ uint16_t u = 01234; // 668
 
 Таблицы истинности:
 
-|`a`|`b`|`a & b`|`a | b`|`a ^ b`|`~a`|
+|`a`|`b`|`a & b`|`a \| b`|`a ^ b`|`~a`|
 |---|---|---|---|---|---|
 |0|0|0|0|0|1|
 |0|1|0|1|1|1|