diff --git a/spec/asyncapi.md b/spec/asyncapi.md
index 903aeb722..8c48fbec8 100644
--- a/spec/asyncapi.md
+++ b/spec/asyncapi.md
@@ -572,8 +572,8 @@ Field Name | Type | Description
 <a name="channelItemObjectRef"></a>$ref | `string` | Allows for an external definition of this channel item. The referenced structure MUST be in the format of a [Channel Item Object](#channelItemObject). If there are conflicts between the referenced definition and this Channel Item's definition, the behavior is *undefined*. <br/><br/>**Deprecated:** Usage of the `$ref` property has been deprecated.
 <a name="channelItemObjectDescription"></a>description | `string` | An optional description of this channel item. [CommonMark syntax](https://spec.commonmark.org/) can be used for rich text representation.
 <a name="channelItemObjectServers"></a>servers | [`string`] | The servers on which this channel is available, specified as an optional unordered list of names (string keys) of [Server Objects](#serverObject) defined in the [Servers Object](#serversObject) (a map). If `servers` is absent or empty then this channel must be available on all servers defined in the [Servers Object](#serversObject).
-<a name="channelItemObjectSubscribe"></a>subscribe | [[Operation Object](#operationObject) \| [Reference Object](#referenceObject)] | A definition of the SUBSCRIBE operation, which defines the messages produced by the application and sent to the channel.
-<a name="channelItemObjectPublish"></a>publish | [[Operation Object](#operationObject) \| [Reference Object](#referenceObject)]  | A definition of the PUBLISH operation, which defines the messages consumed by the application from the channel.
+<a name="channelItemObjectSubscribe"></a>subscribe | [[Operation Object](#operationObject) | A definition of the SUBSCRIBE operation, which defines the messages produced by the application and sent to the channel.
+<a name="channelItemObjectPublish"></a>publish | [[Operation Object](#operationObject) | A definition of the PUBLISH operation, which defines the messages consumed by the application from the channel.
 <a name="channelItemObjectParameters"></a>parameters | [Parameters Object](#parametersObject) | A map of the parameters included in the channel name. It SHOULD be present only when using channels with expressions (as defined by [RFC 6570 section 2.2](https://tools.ietf.org/html/rfc6570#section-2.2)).
 <a name="channelItemObjectBindings"></a>bindings | [Channel Bindings Object](#channelBindingsObject) \| [Reference Object](#referenceObject) | A map where the keys describe the name of the protocol and the values describe protocol-specific definitions for the channel.
 
@@ -709,8 +709,8 @@ Field Name | Type | Description
 <a name="operationObjectSummary"></a>summary | `string` | A short summary of what the operation is about.
 <a name="operationObjectDescription"></a>description | `string` | A verbose explanation of the operation. [CommonMark syntax](http://spec.commonmark.org/) can be used for rich text representation.
 <a name="operationObjectSecurity"></a>security | [[Security Requirement Object](#securityRequirementObject)]| A declaration of which security mechanisms are associated with this operation. Only one of the security requirement objects MUST be satisfied to authorize an operation. In cases where Server Security also applies, it MUST also be satisfied.
-<a name="operationObjectTags"></a>tags | [Tags Object](#tagsObject) | A list of tags for API documentation control. Tags can be used for logical grouping of operations.
-<a name="operationObjectExternalDocs"></a>externalDocs | [External Documentation Object](#externalDocumentationObject) | Additional external documentation for this operation.
+<a name="operationObjectTags"></a>tags | [[Tags Object](#tagsObject) \| [Reference Object](#referenceObject)] | A list of tags for API documentation control. Tags can be used for logical grouping of operations.
+<a name="operationObjectExternalDocs"></a>externalDocs | [External Documentation Object](#externalDocumentationObject) \| [Reference Object](#referenceObject) | Additional external documentation for this operation.
 <a name="operationObjectBindings"></a>bindings | [Operation Bindings Object](#operationBindingsObject) \| [Reference Object](#referenceObject) | A map where the keys describe the name of the protocol and the values describe protocol-specific definitions for the operation.
 <a name="operationObjectTraits"></a>traits | [[Operation Trait Object](#operationTraitObject) &#124; [Reference Object](#referenceObject) ] | A list of traits to apply to the operation object. Traits MUST be merged into the operation object using the [JSON Merge Patch](https://tools.ietf.org/html/rfc7386) algorithm in the same order they are defined here.
 <a name="operationObjectMessage"></a>message | [Message Object](#messageObject) &#124; [Reference Object](#referenceObject) &#124; Map["oneOf", [[Message Object](#messageObject) &#124; [Reference Object](#referenceObject)]] | A definition of the message that will be published or received by this operation. Map containing a single `oneOf` key is allowed here to specify multiple messages. However, **a message MUST be valid only against one of the message objects.**
@@ -820,8 +820,8 @@ Field Name | Type | Description
 <a name="operationTraitObjectSummary"></a>summary | `string` | A short summary of what the operation is about.
 <a name="operationTraitObjectDescription"></a>description | `string` | A verbose explanation of the operation. [CommonMark syntax](https://spec.commonmark.org/) can be used for rich text representation.
 <a name="operationTraitObjectSecurity"></a>security | [[Security Requirement Object](#securityRequirementObject)]| A declaration of which security mechanisms are associated with this operation. Only one of the security requirement objects MUST be satisfied to authorize an operation. In cases where Server Security also applies, it MUST also be satisfied.
-<a name="operationTraitObjectTags"></a>tags | [Tags Object](#tagsObject) | A list of tags for API documentation control. Tags can be used for logical grouping of operations.
-<a name="operationTraitObjectExternalDocs"></a>externalDocs | [External Documentation Object](#externalDocumentationObject) | Additional external documentation for this operation.
+<a name="operationTraitObjectTags"></a>tags | [[Tags Object](#tagsObject) \| [Reference Object](#referenceObject)] | A list of tags for API documentation control. Tags can be used for logical grouping of operations.
+<a name="operationTraitObjectExternalDocs"></a>externalDocs | [External Documentation Object](#externalDocumentationObject) \| [Reference Object](#referenceObject) | Additional external documentation for this operation.
 <a name="operationTraitObjectBindings"></a>bindings | [Operation Bindings Object](#operationBindingsObject) \| [Reference Object](#referenceObject) | A map where the keys describe the name of the protocol and the values describe protocol-specific definitions for the operation.
 
 This object can be extended with [Specification Extensions](#specificationExtensions).