diff --git a/tiflash/tiflash-supported-pushdown-calculations.md b/tiflash/tiflash-supported-pushdown-calculations.md
index a3e2d669f3047..ebdd38617fdcb 100644
--- a/tiflash/tiflash-supported-pushdown-calculations.md
+++ b/tiflash/tiflash-supported-pushdown-calculations.md
@@ -37,7 +37,7 @@ TiFlash supports the following push-down expressions:
 | :-------------- | :------------------------------------- |
 | [Numeric functions and operators](/functions-and-operators/numeric-functions-and-operators.md) | `+`, `-`, `/`, `*`, `%`, `>=`, `<=`, `=`, `!=`, `<`, `>`, `ROUND()`, `ABS()`, `FLOOR(int)`, `CEIL(int)`, `CEILING(int)`, `SQRT()`, `LOG()`, `LOG2()`, `LOG10()`, `LN()`, `EXP()`, `POW()`, `SIGN()`, `RADIANS()`, `DEGREES()`, `CONV()`, `CRC32()`, `GREATEST(int/real)`, `LEAST(int/real)` |
 | [Logical functions](/functions-and-operators/control-flow-functions.md) and [operators](/functions-and-operators/operators.md) | `AND`, `OR`, `NOT`, `CASE WHEN`, `IF()`, `IFNULL()`, `ISNULL()`, `IN`, `LIKE`, `COALESCE`, `IS` |
-| [Bitwise operations](/functions-and-operators/bit-functions-and-operators.md) | `&` (bitand), `\|` (bitor), `~` (bitneg), `^` (bitxor) |
+| [Bitwise operations](/functions-and-operators/bit-functions-and-operators.md) | `&` (bitand), <code>\|</code> (bitor), `~` (bitneg), `^` (bitxor) |
 | [String functions](/functions-and-operators/string-functions.md) | `SUBSTR()`, `CHAR_LENGTH()`, `REPLACE()`, `CONCAT()`, `CONCAT_WS()`, `LEFT()`, `RIGHT()`, `ASCII()`, `LENGTH()`, `TRIM()`, `LTRIM()`, `RTRIM()`, `POSITION()`, `FORMAT()`, `LOWER()`, `UCASE()`, `UPPER()`, `SUBSTRING_INDEX()`, `LPAD()`, `RPAD()`, `STRCMP()` |
 | [Regular expression functions and operators](/functions-and-operators/string-functions.md) | `REGEXP`, `REGEXP_LIKE()`, `REGEXP_INSTR()`, `REGEXP_SUBSTR()`, `REGEXP_REPLACE()` |
 | [Date functions](/functions-and-operators/date-and-time-functions.md) | `DATE_FORMAT()`, `TIMESTAMPDIFF()`, `FROM_UNIXTIME()`, `UNIX_TIMESTAMP(int)`, `UNIX_TIMESTAMP(decimal)`, `STR_TO_DATE(date)`, `STR_TO_DATE(datetime)`, `DATEDIFF()`, `YEAR()`, `MONTH()`, `DAY()`, `EXTRACT(datetime)`, `DATE()`, `HOUR()`, `MICROSECOND()`, `MINUTE()`, `SECOND()`, `SYSDATE()`, `DATE_ADD/ADDDATE(datetime, int)`, `DATE_ADD/ADDDATE(string, int/real)`, `DATE_SUB/SUBDATE(datetime, int)`, `DATE_SUB/SUBDATE(string, int/real)`, `QUARTER()`, `DAYNAME()`, `DAYOFMONTH()`, `DAYOFWEEK()`, `DAYOFYEAR()`, `LAST_DAY()`, `MONTHNAME()`, `TO_SECONDS()`, `TO_DAYS()`, `FROM_DAYS()`, `WEEKOFYEAR()`