Apply suggestions from code review

Co-authored-by: Jessica <[email protected]>

Author: SamyOubouaziz

pages/serverless-sql-databases/how-to/manage-permissions.mdx

@@ -36,7 +36,7 @@ Permissions define the actions a user or an application can perform on a databas
     - Select a **principal**, who will be the target of your policy. The [principal](/iam/concepts/#principal) should be the user, application, or group you want to grant access to your database.
 
     <Message type="important">
-      - You can choose to create a policy without a principal for now, and attach the principal later.
+      - You can choose to create a policy without a principal for now and attach one later.
       - The policy will have no effect until a principal is attached.
       - A policy can only be attached to one principal at a time.
     </Message>

pages/serverless-sql-databases/troubleshooting/connection-errors.mdx

@@ -47,13 +47,13 @@ The [IAM principal](/iam/concepts/#principal) (user or application) does not hav
 
 ### Solution
 
-[Grant one of the following permissions](/serverless-sql-databases/how-to/manage-permissions/) sets to the user or application:
+[Grant one of the following permissions sets](/serverless-sql-databases/how-to/manage-permissions/) to the user or application:
   - `ServerlessSQLDatabaseReadOnly`
   - `ServerlessSQLDatabaseReadWrite`
   - `ServerlessSQLDatabaseDataReadWrite`
   - `ServerlessSQLDatabaseFullAccess`
 
-Refer to the [dedicated documentation](/serverless-sql-databases/how-to/manage-permissions/) for more information the SQL operations allowed by each permissions set.
+Refer to the [dedicated documentation](/serverless-sql-databases/how-to/manage-permissions/) for more information on the SQL operations allowed by each permissions set.
 
 ## ERROR: permission denied to create temporary tables/subscription in database