diff --git a/semantic_conventions/resource/faas.yaml b/semantic_conventions/resource/faas.yaml
new file mode 100644
index 00000000000..4fe82168088
--- /dev/null
+++ b/semantic_conventions/resource/faas.yaml
@@ -0,0 +1,35 @@
+groups:
+ - id: faas_resource
+ prefix: faas
+ brief: >
+ A serverless instance.
+ attributes:
+ - id: name
+ type: string
+ required: always
+ brief: >
+ The name of the function being executed.
+ examples: ['my-function']
+ - id: id
+ type: string
+ required: always
+ brief: >
+ The unique ID of the function being executed.
+ note: >
+ For example, in AWS Lambda this field corresponds to the
+ [ARN](https://docs.aws.amazon.com/general/latest/gr/aws-arns-and-namespaces.html)
+ value, in GCP to the URI of the resource, and in Azure to the
+ [FunctionDirectory](https://github.com/Azure/azure-functions-host/wiki/Retrieving-information-about-the-currently-running-function)
+ field.
+ examples: ['arn:aws:lambda:us-west-2:123456789012:function:my-function']
+ - id: version
+ type: string
+ brief: >
+ The version string of the function being executed as defined in
+ [Version Attributes](https://github.com/open-telemetry/opentelemetry-specification/tree/master/specification/resource/semantic_conventions#version-attributes).
+ examples: ['2.0.0']
+ - id: instance
+ type: string
+ brief: >
+ The execution environment ID as a string.
+ examples: ['my-function:instance-0001']
diff --git a/semantic_conventions/resource/host.yaml b/semantic_conventions/resource/host.yaml
new file mode 100644
index 00000000000..386ab17f809
--- /dev/null
+++ b/semantic_conventions/resource/host.yaml
@@ -0,0 +1,39 @@
+groups:
+ - id: host
+ prefix: host
+ brief: >
+ A host is defined as a general computing instance.
+ attributes:
+ - id: id
+ type: string
+ brief: >
+ Unique host ID. For Cloud, this must be the instance_id assigned by the cloud provider.
+ examples: ['opentelemetry-test']
+ - id: name
+ type: string
+ brief: >
+ Name of the host. On Unix systems, it may contain what the hostname
+ command returns, or the fully qualified hostname, or another name
+ specified by the user.
+ examples: ['opentelemetry-test']
+ - id: type
+ type: string
+ brief: >
+ Type of host. For Cloud, this must be the machine type.
+ examples: ['n1-standard-1']
+ - id: image.name
+ type: string
+ brief: >
+ Name of the VM image or OS install the host was instantiated from.
+ examples: ['infra-ami-eks-worker-node-7d4ec78312', 'CentOS-8-x86_64-1905']
+ - id: image.id
+ type: string
+ brief: >
+ VM image ID. For Cloud, this value is from the provider.
+ examples: ['ami-07b06b442921831e5']
+ - id: image.version
+ type: string
+ brief: >
+ The version string of the VM image as defined in
+ [Version Attributes](https://github.com/open-telemetry/opentelemetry-specification/tree/master/specification/resource/semantic_conventions#version-attributes).
+ examples: ['0.1']
diff --git a/specification/resource/semantic_conventions/faas.md b/specification/resource/semantic_conventions/faas.md
index 6c0de741b86..563ed00a802 100644
--- a/specification/resource/semantic_conventions/faas.md
+++ b/specification/resource/semantic_conventions/faas.md
@@ -4,14 +4,15 @@
**Description:** A serverless instance.
-| Label | Description | Example | Required |
-|---|---|---|--|
-| faas.name | The name of the function being executed. | `my-function` | Yes |
-| faas.id | The unique name of the function being executed.
For example, in AWS Lambda this field corresponds to the [ARN] value, in GCP to the URI of the resource, and in Azure to the [FunctionDirectory] field. | `arn:aws:lambda:us-west-2:123456789012:function:my-function` | Yes |
-| faas.version | The version string of the function being executed. | `2.0.0` | No |
-| faas.instance | The execution environment ID as a string. | `my-function:instance-0001` | No |
+
+| Attribute | Type | Description | Example | Required |
+|---|---|---|---|---|
+| `faas.name` | string | The name of the function being executed. | `my-function` | Yes |
+| `faas.id` | string | The unique ID of the function being executed. [1] | `arn:aws:lambda:us-west-2:123456789012:function:my-function` | Yes |
+| `faas.version` | string | The version string of the function being executed as defined in [Version Attributes](https://github.com/open-telemetry/opentelemetry-specification/tree/master/specification/resource/semantic_conventions#version-attributes). | `2.0.0` | No |
+| `faas.instance` | string | The execution environment ID as a string. | `my-function:instance-0001` | No |
-Note: The resource attribute `faas.instance` differs from the span attribute `faas.execution`. For more information see the [Semantic conventions for FaaS spans](../../trace/semantic_conventions/faas.md#difference-between-execution-and-instance).
+**[1]:** For example, in AWS Lambda this field corresponds to the [ARN](https://docs.aws.amazon.com/general/latest/gr/aws-arns-and-namespaces.html) value, in GCP to the URI of the resource, and in Azure to the [FunctionDirectory](https://github.com/Azure/azure-functions-host/wiki/Retrieving-information-about-the-currently-running-function) field.
+
-[ARN]:https://docs.aws.amazon.com/general/latest/gr/aws-arns-and-namespaces.html
-[FunctionDirectory]: https://github.com/Azure/azure-functions-host/wiki/Retrieving-information-about-the-currently-running-function
+Note: The resource attribute `faas.instance` differs from the span attribute `faas.execution`. For more information see the [Semantic conventions for FaaS spans](../../trace/semantic_conventions/faas.md#difference-between-execution-and-instance).
diff --git a/specification/resource/semantic_conventions/host.md b/specification/resource/semantic_conventions/host.md
index bb68217d559..d93ead14063 100644
--- a/specification/resource/semantic_conventions/host.md
+++ b/specification/resource/semantic_conventions/host.md
@@ -4,11 +4,13 @@
**Description:** A host is defined as a general computing instance.
-| Attribute | Description | Example |
-|---|---|---|
-| host.id | Unique host id.
For Cloud this must be the instance_id assigned by the cloud provider | `opentelemetry-test` |
-| host.name | Name of the host.
On Unix systems, it may contain what the `hostname` command returns, or the fully qualified hostname, or another name specified by the user. | `opentelemetry-test` |
-| host.type | Type of host.
For Cloud this must be the machine type.| `n1-standard-1` |
-| host.image.name | Name of the VM image or OS install the host was instantiated from. | `infra-ami-eks-worker-node-7d4ec78312`, `CentOS-8-x86_64-1905` |
-| host.image.id | VM image id. For Cloud, this value is from the provider. | `ami-07b06b442921831e5` |
-| host.image.version | The version string of the VM image. | `0.1` |
+
+| Attribute | Type | Description | Example | Required |
+|---|---|---|---|---|
+| `host.id` | string | Unique host ID. For Cloud, this must be the instance_id assigned by the cloud provider. | `opentelemetry-test` | No |
+| `host.name` | string | Name of the host. On Unix systems, it may contain what the hostname command returns, or the fully qualified hostname, or another name specified by the user. | `opentelemetry-test` | No |
+| `host.type` | string | Type of host. For Cloud, this must be the machine type. | `n1-standard-1` | No |
+| `host.image.name` | string | Name of the VM image or OS install the host was instantiated from. | `infra-ami-eks-worker-node-7d4ec78312`
`CentOS-8-x86_64-1905` | No |
+| `host.image.id` | string | VM image ID. For Cloud, this value is from the provider. | `ami-07b06b442921831e5` | No |
+| `host.image.version` | string | The version string of the VM image as defined in [Version Attributes](https://github.com/open-telemetry/opentelemetry-specification/tree/master/specification/resource/semantic_conventions#version-attributes). | `0.1` | No |
+