diff --git a/examples/learn.md b/examples/learn.md
index eeabe37..4b372b8 100644
--- a/examples/learn.md
+++ b/examples/learn.md
@@ -562,7 +562,7 @@ case 4:
 | ---                       | ---         | ---         | ---     |
 | `!a < b`                  | 4           | 右结合      | CmpNot  |
 | `a && b`                  | 3           | 左结合      | CmpAnd  |
-| `a || b`                  | 2           | 左结合      | CmpOr   |
+| `a \|\| b`                | 2           | 左结合      | CmpOr   |
 | `({print 2;} => a < b)`   | 1           | 右结合      | CmpDeps |
 
 也可以使用括号来手动规定比如`(a < 2 || b < 2) && c < 2`