diff --git a/docs/client/configure-kn.md b/docs/client/configure-kn.md
index 9be9962a98..e2e5f0daca 100644
--- a/docs/client/configure-kn.md
+++ b/docs/client/configure-kn.md
@@ -9,15 +9,36 @@ You can customize your `kn` CLI setup by creating a `config.yaml` configuration
 ## Example configuration file
 
 ```yaml
+# Plugins related configuration
 plugins:
+  # Whether to lookup configuration in the execution path (default: true). This option is deprecated and will be removed in a future version where path lookup will be enabled unconditionally
   path-lookup: true
+  # Directory from where plugins with the prefix "kn-" are looked up. (default: "$base_dir/plugins"
+  # where "$base_dir" is the directory where this configuration file is stored)
   directory: ~/.config/kn/plugins
+# Eventing related configuration
 eventing:
+  # List of sink mappings that allow custom prefixes wherever a sink
+  # specification is used (like for the --sink option of a broker)
   sink-mappings:
+    # Prefix as used in the command (e.g. "--sink svc:myservice")
   - prefix: svc
+    # Api group of the mapped resource
     group: core
+    # Api version of the mapped resource
     version: v1
+    # Resource name (lowercased plural form of the 'kind')
     resource: services
+  # Channel mappings that you can use in --channel options
+  channel-type-mappings:
+    # Alias that can be used as a type for a channel option (e.g. "kn create channel mychannel --type Kafka")
+  - alias: Kafka
+    # Api group of the mapped resource
+    group: messaging.knative.dev
+    # Api version of the mapped resource
+    version: v1beta1
+    # Kind of the resource
+    kind: KafkaChannel
 ```
 
 Where
@@ -30,3 +51,8 @@ Where
     - `group`: The API group of the Kubernetes resource.
     - `version`: The version of the Kubernetes resource.
     - `resource`: The lowercased, plural name of the Kubernetes resource type. For example, `services` or `brokers`.
+- `channel-type-mappings` can be used to define aliases for custom channel types that can be used wherever a channel type is required (as in `kn channel create --type`). This configuration section defines an array of entries with the following fields:
+  - `alias`: The name that can be used as the type
+  - `group`: The APIGroup of the channel CRD.
+  - `version`: The version of the channel CRD.
+  - `kind`: Kind of the channel CRD (e.g. `KafkaChannel`)
\ No newline at end of file