diff --git a/functions-and-operators/operators.md b/functions-and-operators/operators.md
index f127ffd1e6bd9..c0747abbb7e71 100644
--- a/functions-and-operators/operators.md
+++ b/functions-and-operators/operators.md
@@ -46,7 +46,7 @@ This document describes the operators precedence, comparison functions and opera
 | [%, MOD](https://dev.mysql.com/doc/refman/5.7/en/arithmetic-functions.html#operator_mod) | Modulo operator |
 | [NOT, !](https://dev.mysql.com/doc/refman/5.7/en/logical-operators.html#operator_not) | Negates value |
 | [NOT BETWEEN ... AND ...](https://dev.mysql.com/doc/refman/5.7/en/comparison-operators.html#operator_not-between) | Check whether a value is not within a range of values |
-| [!=, <>](https://dev.mysql.com/doc/refman/5.7/en/comparison-operators.html#operator_not-equal) | Not equal operator |
+| [!=, `<>`](https://dev.mysql.com/doc/refman/5.7/en/comparison-operators.html#operator_not-equal) | Not equal operator |
 | [NOT LIKE](https://dev.mysql.com/doc/refman/5.7/en/string-comparison-functions.html#operator_not-like) | Negation of simple pattern matching |
 | [NOT REGEXP](https://dev.mysql.com/doc/refman/5.7/en/regexp.html#operator_not-regexp) | Negation of REGEXP |
 | [\|\|, OR](https://dev.mysql.com/doc/refman/5.7/en/logical-operators.html#operator_or) | Logical OR |
@@ -108,7 +108,7 @@ For details, see [Operator Precedence](https://dev.mysql.com/doc/refman/5.7/en/o
 | [<=](https://dev.mysql.com/doc/refman/5.7/en/comparison-operators.html#operator_less-than-or-equal) | Less than or equal operator |
 | [LIKE](https://dev.mysql.com/doc/refman/5.7/en/string-comparison-functions.html#operator_like) | Simple pattern matching |
 | [NOT BETWEEN ... AND ...](https://dev.mysql.com/doc/refman/5.7/en/comparison-operators.html#operator_not-between) | Check whether a value is not within a range of values |
-| [!=, <>](https://dev.mysql.com/doc/refman/5.7/en/comparison-operators.html#operator_not-equal) | Not equal operator |
+| [!=, `<>`](https://dev.mysql.com/doc/refman/5.7/en/comparison-operators.html#operator_not-equal) | Not equal operator |
 | [NOT IN()](https://dev.mysql.com/doc/refman/5.7/en/comparison-operators.html#function_not-in) | Check whether a value is not within a set of values |
 | [NOT LIKE](https://dev.mysql.com/doc/refman/5.7/en/string-comparison-functions.html#operator_not-like) | Negation of simple pattern matching |
 | [STRCMP()](https://dev.mysql.com/doc/refman/5.7/en/string-comparison-functions.html#function_strcmp) | Compare two strings |
diff --git a/sql-statements/sql-statement-grant-privileges.md b/sql-statements/sql-statement-grant-privileges.md
index e2fe63b3ee4be..874c62ae7e2fc 100644
--- a/sql-statements/sql-statement-grant-privileges.md
+++ b/sql-statements/sql-statement-grant-privileges.md
@@ -5,7 +5,7 @@ category: reference
 aliases: ['/docs/v2.1/reference/sql/statements/grant-privileges/']
 ---
 
-# GRANT <privileges>
+# GRANT `<privileges>`
 
 This statement allocates privileges to a pre-existing user in TiDB. The privilege system in TiDB follows MySQL, where credentials are assigned based on a database/table pattern.
 
@@ -66,6 +66,6 @@ mysql> SHOW GRANTS FOR 'newuser';
 
 ## See also
 
-* [REVOKE <privileges>](/sql-statements/sql-statement-revoke-privileges.md)
+* [REVOKE `<privileges>`](/sql-statements/sql-statement-revoke-privileges.md)
 * [SHOW GRANTS](/sql-statements/sql-statement-show-grants.md)
 * [Privilege Management](/privilege-management.md)
diff --git a/sql-statements/sql-statement-set-variable.md b/sql-statements/sql-statement-set-variable.md
index 3c1775487ff66..94f9351b2e299 100644
--- a/sql-statements/sql-statement-set-variable.md
+++ b/sql-statements/sql-statement-set-variable.md
@@ -5,7 +5,7 @@ category: reference
 aliases: ['/docs/v2.1/reference/sql/statements/set-variable/']
 ---
 
-# SET [GLOBAL|SESSION] <variable>
+# `SET [GLOBAL|SESSION] <variable>`
 
 The statement `SET [GLOBAL|SESSION]` modifies one of TiDB's built in variables, of either `SESSION` or `GLOBAL` scope. Note that similar to MySQL, changes to `GLOBAL` variables will not apply to either existing connections, or the local connection. Only new sessions will reflect the changes to the value.
 
@@ -71,4 +71,4 @@ This statement is understood to be fully compatible with MySQL. Any compatibilit
 
 ## See also
 
-* [SHOW \[GLOBAL|SESSION\] VARIABLES](/sql-statements/sql-statement-show-variables.md)
+* [`SHOW [GLOBAL|SESSION] VARIABLES`](/sql-statements/sql-statement-show-variables.md)