Update allow_list descriptions

Author: bbiggerr

openapi.yaml

@@ -3127,7 +3127,7 @@ paths:
       - $ref: '#/components/parameters/pageOffset'
       - $ref: '#/components/parameters/pageSize'
       description: |
-        Display information for a single Managed Database engine type.
+        Display information for a single Managed Database engine type and version.
 
         **Beta**: This endpoint is in **closed** beta. To get early access and test new Linode products before they
         hit the market, join the [Linode Green Light](https://www.linode.com/green-light/) program.
@@ -3136,7 +3136,7 @@ paths:
         beta.
       responses:
         '200':
-          description: Returns information for a single Managed Database engine.
+          description: Returns information for a single Managed Database engine type and version.
           content:
             application/json:
               schema:
@@ -3265,6 +3265,12 @@ paths:
 
         New instances can take approximately 15 to 30 minutes to provision.
 
+        The `allow_list` is used to control access to the Managed Database.
+
+        * IP addresses on this list can access the Managed Database. All other sources are blocked.
+        * Entering an empty array (`[]`) blocks all connections (both public and private) to the Managed Database.
+        * **Note**: Updates to the `allow_list` may take a short period of time to complete, making this command inappropriate for rapid successive updates to this property.
+
         All Managed Databases include automatic, daily backups. Up to seven backups are stored for each Managed Database, providing restore points for each day of the past week.
 
         **Beta**: This endpoint is in **closed** beta. To get early access and test new Linode products before they
@@ -3432,6 +3438,10 @@ paths:
 
         Updating addresses in the `allow_list` overwrites any existing addresses.
 
+        * IP addresses on this list can access the Managed Database. All other sources are blocked.
+        * Entering an empty array (`[]`) blocks all connections (both public and private) to the Managed Database.
+        * **Note**: Updates to the `allow_list` may take a short period of time to complete, making this command inappropriate for rapid successive updates to this property.
+
         **Beta**: This endpoint is in **closed** beta. To get early access and test new Linode products before they
         hit the market, join the [Linode Green Light](https://www.linode.com/green-light/) program.
         When accessing this endpoint, please make sure to prepend all requests with `/v4beta` instead of `/v4`, and be
@@ -17613,9 +17623,7 @@ components:
           description: |
             A list of IP addresses that can access the Managed Database. Each item can be a single IP address or a range in CIDR format.
 
-            By default, this is an empty array, which blocks all connections (both public and private) to the Managed Database.
-
-            Entering a value of `0.0.0.0/0` allows all connections to the Managed Database.
+            By default, this is an empty array (`[]`), which blocks all connections (both public and private) to the Managed Database.
           items:
             type: string
             format: ipv4/prefix_length