Clean up substitution warning 4

doc/development/dangerbot.md

@@ -141,7 +141,7 @@ at GitLab so far:
   - Their availability:
     - No "OOO"/"PTO"/"Parental Leave" in their GitLab or Slack status.
     - No `:red_circle:`/`:palm_tree:`/`:beach:`/`:beach_umbrella:`/`:beach_with_umbrella:` emojis in GitLab or Slack status.
-  - (Experimental) Their timezone: people for which the local hour is between
+  - (Experimental) Their time zone: people for which the local hour is between
     6 AM and 2 PM are eligible to be picked. This is to ensure they have a good
     chance to get to perform a review during their current work day. The experimentation is tracked in
     [this issue](https://gitlab.com/gitlab-org/quality/team-tasks/-/issues/563)

doc/development/database/database_migration_pipeline.md

@@ -50,6 +50,6 @@ Some additional information is included at the bottom of the comment:
 
 | Result                           | Description                                                                                                                                                                                                                                                     |
 |----------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
-| Migrations pending on GitLab.com | A summary of migrations not deployed yet to GitLab.com. This info is useful when testing a migration that was merged but not deployed yet.                                                                                                                      |
+| Migrations pending on GitLab.com | A summary of migrations not deployed yet to GitLab.com. This information is useful when testing a migration that was merged but not deployed yet.                                                                                                                      |
 | Clone details                    | A link to the `Postgres.ai` thin clone created for this testing pipeline, along with information about its expiry. This can be used to further explore the results of running the migration. Only accessible by database maintainers or with an access request. |
 | Artifacts                        | A link to the pipeline's artifacts. Full query logs for each migration (ending in `.log`) are available there and only accessible by database maintainers or with an access request.                                                                            |

doc/development/migration_style_guide.md

@@ -879,7 +879,7 @@ See the [text data type](database/strings_and_the_text_data_type.md) style guide
 ## Timestamp column type
 
 By default, Rails uses the `timestamp` data type that stores timestamp data
-without timezone information. The `timestamp` data type is used by calling
+without time zone information. The `timestamp` data type is used by calling
 either the `add_timestamps` or the `timestamps` method.
 
 Also, Rails converts the `:datetime` data type to the `timestamp` one.
@@ -904,15 +904,15 @@ end
 ```
 
 Instead of using these methods, one should use the following methods to store
-timestamps with timezones:
+timestamps with time zones:
 
 - `add_timestamps_with_timezone`
 - `timestamps_with_timezone`
 - `datetime_with_timezone`
 
 This ensures all timestamps have a time zone specified. This, in turn, means
-existing timestamps don't suddenly use a different timezone when the system's
-timezone changes. It also makes it very clear which timezone was used in the
+existing timestamps don't suddenly use a different time zone when the system's
+time zone changes. It also makes it very clear which time zone was used in the
 first place.
 
 ## Storing JSON in database