fix CI reported errors + wording updates

tidb-cloud/notification-2024-04-09-monitoring-features-maintenance.md

@@ -5,7 +5,7 @@ summary: Learn about the details of TiDB Cloud monitoring features maintenance o
 
 # [2024-04-09] TiDB Cloud Monitoring Features Maintenance Notification
 
-This notification describes the details that you need to know about TiDB Cloud [monitoring features](/tidb-cloud/monitor-tidb-cluster.md) maintenance on April 9, 2024.
+This notification describes the details that you need to know about the TiDB Cloud [monitoring features](/tidb-cloud/monitor-tidb-cluster.md) maintenance on April 9, 2024.
 
 ## Maintenance window
 
@@ -38,7 +38,7 @@ During the maintenance window, the monitoring features in the following regions
 
 > **Note:**
 >
-> The maintenance only affects the monitoring features in the TiDB cluster. All the other functionalities remain unaffected. You can continue to manage the TiDB cluster and perform read/write operations or other operations as usual.
+> The maintenance only affects monitoring features in the TiDB cluster. All the other functionalities remain unaffected. You can continue to manage the TiDB cluster and perform read/write operations or other operations as usual.
 
 - The **Metrics** page will be temporarily unavailable for several short periods (each less than 20 mins).
 - The **Slow Query** page will be temporarily unavailable for several short periods (each less than 5 mins).

tidb-cloud/notification-2024-04-16-monitoring-features-maintenance.md

@@ -5,7 +5,7 @@ summary: Learn about the details of the TiDB Cloud monitoring features maintenan
 
 # [2024-04-16] TiDB Cloud Monitoring Features Maintenance Notification
 
-This notification describes the details that you need to know TiDB Cloud [monitoring features](/tidb-cloud/monitor-tidb-cluster.md) maintenance on April 16, 2024.
+This notification describes the details that you need to know about the TiDB Cloud [monitoring features](/tidb-cloud/monitor-tidb-cluster.md) maintenance on April 16, 2024.
 
 ## Maintenance window
 
@@ -16,7 +16,7 @@ This notification describes the details that you need to know TiDB Cloud [monito
 ## Impact
 
 ### Affected regions
-	
+
 During the maintenance window, the monitoring features in the following regions will be affected:
 
 - TiDB Dedicated clusters：
@@ -31,7 +31,7 @@ During the maintenance window, the monitoring features in the following regions
 
 > **Note:**
 >
-> The maintenance only affects the monitoring features in the TiDB cluster. All the other functionalities remain unaffected. You can continue to manage the TiDB cluster and perform read/write operations or other operations as usual.
+> The maintenance only affects monitoring features in the TiDB cluster. All the other functionalities remain unaffected. You can continue to manage the TiDB cluster and perform read/write operations or other operations as usual.
 
 - The **Metrics** page will be temporarily unavailable for several short periods (each less than 20 mins).
 - The **Slow Query** page will be temporarily unavailable for several short periods (each less than 5 mins).