fix typo

releases/release-6.1.0.md

@@ -231,7 +231,7 @@ In 6.1.0, the key new features or improvements are as follows:
 | [`require_secure_transport`](/system-variables.md#require_secure_transport-new-in-v610) | Newly added | This setting was previously a `tidb.toml` option (`security.require-secure-transport`), but changed to a system variable starting from TiDB v6.1.0. |
 | [`tidb_committer_concurrency`](/system-variables.md#tidb_committer_concurrency-new-in-v610) | Newly added | This setting was previously a `tidb.toml` option (`performance.committer-concurrency`), but changed to a system variable starting from TiDB v6.1.0. |
 | [`tidb_enable_auto_analyze`](/system-variables.md#tidb_enable_auto_analyze-new-in-v610) | Newly added | This setting was previously a `tidb.toml` option (`run-auto-analyze`), but changed to a system variable starting from TiDB v6.1.0. |
-| [`tidb_enable_new_only_full_group_by_check`](/system-variables.md#tidb_enable_new_only_full_group_by_check-new-in-v610) | Newly added | This variable controls the behavior when TiDB performs the `ONLY_FULL_GOUP_BY` check. |
+| [`tidb_enable_new_only_full_group_by_check`](/system-variables.md#tidb_enable_new_only_full_group_by_check-new-in-v610) | Newly added | This variable controls the behavior when TiDB performs the `ONLY_FULL_GROUP_BY` check. |
 | [`tidb_enable_outer_join_reorder`](/system-variables.md#tidb_enable_outer_join_reorder-new-in-v610) | Newly added | Since v6.1.0, the Join Reorder algorithm of TiDB supports Outer Join. This variable controls the support behavior, and the default value is `ON`. |
 | [`tidb_enable_prepared_plan_cache`](/system-variables.md#tidb_enable_prepared_plan_cache-new-in-v610) | Newly added | This setting was previously a `tidb.toml` option (`prepared-plan-cache.enabled`), but changed to a system variable starting from TiDB v6.1.0. |
 | [`tidb_gc_max_wait_time`](/system-variables.md#tidb_gc_max_wait_time-new-in-v610) | Newly added | This variable is used to set the maximum time of GC safe point blocked by uncommitted transactions. |

system-variables.md

@@ -1653,7 +1653,7 @@ MPP is a distributed computing framework provided by the TiFlash engine, which a
 - Persists to cluster: Yes
 - Type: Boolean
 - Default value: `OFF`
-- This variable controls the behavior when TiDB performs the `ONLY_FULL_GOUP_BY` check. For detailed information about `ONLY_FULL_GROUP_BY`, see the [MySQL documentation](https://dev.mysql.com/doc/refman/8.0/en/sql-mode.html#sqlmode_only_full_group_by). In v6.1.0, TiDB handles this check more strictly and correctly.
+- This variable controls the behavior when TiDB performs the `ONLY_FULL_GROUP_BY` check. For detailed information about `ONLY_FULL_GROUP_BY`, see the [MySQL documentation](https://dev.mysql.com/doc/refman/8.0/en/sql-mode.html#sqlmode_only_full_group_by). In v6.1.0, TiDB handles this check more strictly and correctly.
 - To avoid potential compatibility issues caused by version upgrades, the default value of this variable is `OFF` in v6.1.0.
 
 ### tidb_enable_noop_functions <span class="version-mark">New in v4.0</span>