fix(rdb): review jessi

Author: ldecarvalho-doc

pages/managed-databases-for-postgresql-and-mysql/how-to/manage-nodes.mdx

@@ -8,7 +8,7 @@ dates:
 ---
 import Requirements from '@macros/iam/requirements.mdx'
 
-You can change your Database Instance the node type and enable High Availability after the nodes have been created.
+You can change your Database Instance node type and enable High Availability after the nodes have been created.
 
 <Requirements />
 
@@ -35,7 +35,7 @@ You can change your Database Instance the node type and enable High Availability
       - The Instance stays in `Initializing` mode throughout the process.
       - If you use local storage:
           - Make sure that the Database Instance you choose provides sufficient disk space for your database. Otherwise, an error message will be displayed, and the database will not be upgraded.
-          - The process can take longer than expected, but the unavailability period of the Instance will be short. This means that though the Database Instance mostly remains available during the entire process, bar a few seconds.
+          - The process can take longer than expected, but the unavailability period of the Instance will be short. This means that the Database Instance remains mostly available during the entire process, except for a few seconds.
     </Message>
 
 ## How to enable High Availability
@@ -69,5 +69,5 @@ If you are in standalone mode, you can change the node configuration to High Ava
       - Changing the node type performs a rolling upgrade of your Database Instance.
       - During this process, the Database Instance will be unavailable for several seconds.
       - The Instance stays in `Initializing` mode throughout the process and all console actions are unavailable.
-      - If you use local storage the process can take longer than expected, but the unavailability period of the Instance will be short. This means that though the Database Instance mostly remains available during the entire process, bar a few seconds.
+      - If you use local storage the process can take longer than expected, but the unavailability period of the Instance will be short. This means that the Database Instance remains mostly available during the entire process, except for a few seconds.
     </Message>