diff --git a/applications/crossbar/doc/ref/accounts.md b/applications/crossbar/doc/ref/accounts.md
index cb6db9c7e3f..660f54d0234 100644
--- a/applications/crossbar/doc/ref/accounts.md
+++ b/applications/crossbar/doc/ref/accounts.md
@@ -16,7 +16,7 @@ Key | Description | Type | Default | Required | Support Level
 `call_restriction` | Account level call restrictions for each available number classification | `object()` | `{}` | `false` |  
 `call_waiting` |   | [#/definitions/call_waiting](#call_waiting) |   | `false` |  
 `caller_id` | The account default caller ID parameters | [#/definitions/caller_id](#caller_id) |   | `false` |  
-`caller_id_options.outbound_privacy` | Determines what appears as caller id for offnet outbound calls. Values: full - hides name and number; name - hides only name; number - hides only number; none - hides nothing | `string('full' | 'name' | 'number' | 'none')` |   | `false` |  
+`caller_id_options.outbound_privacy` | Determines what appears as caller id for offnet outbound calls. Values: full - hides name and number; name - hides only name; number - hides only number; none - hides nothing | `string('full' \| 'name' \| 'number' \| 'none')` |   | `false` |  
 `caller_id_options` | custom properties for configuring caller_id | `object()` |   | `false` |  
 `dial_plan` | A list of default rules used to modify dialed numbers | [#/definitions/dialplans](#dialplans) |   | `false` |  
 `do_not_disturb.enabled` | The default value for do-not-disturb | `boolean()` |   | `false` |  
@@ -70,7 +70,7 @@ Key | Description | Type | Default | Required | Support Level
 Key | Description | Type | Default | Required | Support Level
 --- | ----------- | ---- | ------- | -------- | -------------
 `enabled` | is recording enabled | `boolean()` |   | `false` |  
-`format` | What format to store the recording on disk | `string('mp3' | 'wav')` |   | `false` |  
+`format` | What format to store the recording on disk | `string('mp3' \| 'wav')` |   | `false` |  
 `record_min_sec` | The minimum length, in seconds, the recording must be to be considered successful. Otherwise it is deleted | `integer()` |   | `false` |  
 `record_on_answer` | Recording should start on answer | `boolean()` |   | `false` |  
 `record_on_bridge` | Recording should start on bridge | `boolean()` |   | `false` |  
@@ -139,7 +139,7 @@ Schema for formatter options
 
 Key | Description | Type | Default | Required | Support Level
 --- | ----------- | ---- | ------- | -------- | -------------
-`direction` | Only apply the formatter on the relevant request direction | `string('inbound' | 'outbound' | 'both')` |   | `false` |  
+`direction` | Only apply the formatter on the relevant request direction | `string('inbound' \| 'outbound' \| 'both')` |   | `false` |  
 `match_invite_format` | Applicable on fields with SIP URIs. Will format the username portion to match the invite format of the outbound request. | `boolean()` |   | `false` |  
 `prefix` | Prepends value against the result of a successful regex match | `string()` |   | `false` |  
 `regex` | Matches against the value, with optional capture group | `string()` |   | `false` |  
@@ -166,9 +166,9 @@ Actions applied to a call outside of the normal callflow, initiated by the calle
 
 Key | Description | Type | Default | Required | Support Level
 --- | ----------- | ---- | ------- | -------- | -------------
-`binding_digit` | What DTMF will trigger the collection and analysis of the subsequent DTMF sequence | `string('1' | '2' | '3' | '4' | '5' | '6' | '7' | '8' | '9' | '0' | '*' | '#')` | `*` | `false` |  
+`binding_digit` | What DTMF will trigger the collection and analysis of the subsequent DTMF sequence | `string('1' \| '2' \| '3' \| '4' \| '5' \| '6' \| '7' \| '8' \| '9' \| '0' \| '*' \| '#')` | `*` | `false` |  
 `digit_timeout` | How long to wait between DTMF presses before processing the collected sequence (milliseconds) | `integer()` |   | `false` |  
-`listen_on` | Which leg(s) of the call to listen for DTMF | `string('both' | 'self' | 'peer')` |   | `false` |  
+`listen_on` | Which leg(s) of the call to listen for DTMF | `string('both' \| 'self' \| 'peer')` |   | `false` |  
 `numbers./^[0-9]+$/` |   | [#/definitions/metaflow](#metaflow) |   | `false` |  
 `numbers` | A list of static numbers with their flows | `object()` |   | `false` |  
 `patterns./.+/` |   | [#/definitions/metaflow](#metaflow) |   | `false` |