Tweak table widths

Author: jeff-allen-mongo

source/core/retryable-writes.txt

@@ -97,6 +97,7 @@ cannot be :writeconcern:`{w: 0} <\<number\>>`.
 
 .. list-table::
    :header-rows: 1
+   :widths: 30 40
 
    * - Methods
      - Descriptions

source/reference/mongo-shell.txt

@@ -482,6 +482,7 @@ administration:
 
 .. list-table::
    :header-rows: 1
+   :widths: 30 20
 
    * - JavaScript Database Administration Methods
      - Description
@@ -512,6 +513,7 @@ The following table displays the methods to create the connections:
 
 .. list-table::
    :header-rows: 1
+   :widths: 20 20
 
    * - JavaScript Connection Create Methods