Add JSON to capitalization rule

.markdownlint.json

@@ -79,6 +79,7 @@
       "Jira Cloud",
       "Jira Server",
       "jQuery",
+      "JSON",
       "JupyterHub",
       "Karma",
       "Kerberos",

doc/administration/pages/index.md

@@ -213,7 +213,7 @@ control over how the Pages daemon runs and serves content in your environment.
 | `internal_gitlab_server` | Internal GitLab server address used exclusively for API requests. Useful if you want to send that traffic over an internal load balancer. Defaults to GitLab `external_url`.
 | `listen_proxy` |  The addresses to listen on for reverse-proxy requests. Pages will bind to these addresses' network socket and receives incoming requests from it. Sets the value of `proxy_pass` in `$nginx-dir/conf/gitlab-pages.conf`.
 | `log_directory` |  Absolute path to a log directory.
-| `log_format` |  The log output format: 'text' or 'json'.
+| `log_format` |  The log output format: `text` or `json`.
 | `log_verbose` |  Verbose logging, true/false.
 | `max_connections` |  Limit on the number of concurrent connections to the HTTP, HTTPS or proxy listeners.
 | `metrics_address` |  The address to listen on for metrics requests.

doc/api/feature_flag_specs.md

@@ -166,7 +166,7 @@ POST /projects/:id/feature_flags/:name/scopes
 | `name`              | string           | yes        | The name of the feature flag. |
 | `environment_scope` | string           | yes        | The [environment spec](../ci/environments/index.md#scoping-environments-with-specs) of the feature flag. |
 | `active`            | boolean          | yes        | Whether the spec is active. |
-| `strategies`        | json             | yes        | The [strategies](../user/project/operations/feature_flags.md#feature-flag-strategies) of the feature flag spec. |
+| `strategies`        | JSON             | yes        | The [strategies](../user/project/operations/feature_flags.md#feature-flag-strategies) of the feature flag spec. |
 
 ```shell
 curl "https://gitlab.example.com/api/v4/projects/1/feature_flags/new_live_trace/scopes" \
@@ -249,7 +249,7 @@ PUT /projects/:id/feature_flags/:name/scopes/:environment_scope
 | `name`              | string           | yes        | The name of the feature flag. |
 | `environment_scope` | string           | yes        | The URL-encoded [environment spec](../ci/environments/index.md#scoping-environments-with-specs) of the feature flag.  |
 | `active`            | boolean          | yes        | Whether the spec is active. |
-| `strategies`        | json             | yes        | The [strategies](../user/project/operations/feature_flags.md#feature-flag-strategies) of the feature flag spec. |
+| `strategies`        | JSON             | yes        | The [strategies](../user/project/operations/feature_flags.md#feature-flag-strategies) of the feature flag spec. |
 
 ```shell
 curl "https://gitlab.example.com/api/v4/projects/1/feature_flags/new_live_trace/scopes/production" \

doc/api/services.md

@@ -1008,7 +1008,7 @@ Parameters:
 | --------- | ---- | -------- | ----------- |
 | `api_url` | string | true | Prometheus API Base URL. For example, `http://prometheus.example.com/`. |
 | `google_iap_audience_client_id` | string | false | Client ID of the IAP secured resource (looks like IAP_CLIENT_ID.apps.googleusercontent.com) |
-| `google_iap_service_account_json` | string | false | credentials.json file for your service account, like { "type": "service_account", "project_id": ... } |
+| `google_iap_service_account_json` | string | false | `credentials.json` file for your service account, like { "type": "service_account", "project_id": ... } |
 
 ### Delete Prometheus service