diff --git a/docs/content/middlewares/http/overview.md b/docs/content/middlewares/http/overview.md
index cd358371a..d270ea8c2 100644
--- a/docs/content/middlewares/http/overview.md
+++ b/docs/content/middlewares/http/overview.md
@@ -153,3 +153,7 @@ http:
 | [Retry](retry.md)                         | Automatically retries in case of error            | Request lifecycle           |
 | [StripPrefix](stripprefix.md)             | Changes the path of the request                   | Path Modifier               |
 | [StripPrefixRegex](stripprefixregex.md)   | Changes the path of the request                   | Path Modifier               |
+
+## Community Middlewares
+
+Please take a look at the community-contributed plugins in the [plugin catalog](https://pilot.traefik.io/plugins).
diff --git a/docs/content/reference/dynamic-configuration/kubernetes-crd-definition-v1.yml b/docs/content/reference/dynamic-configuration/kubernetes-crd-definition-v1.yml
index 6dfff51b9..0db126be5 100644
--- a/docs/content/reference/dynamic-configuration/kubernetes-crd-definition-v1.yml
+++ b/docs/content/reference/dynamic-configuration/kubernetes-crd-definition-v1.yml
@@ -204,8 +204,11 @@ spec:
                       description: Domain holds a domain name with SANs.
                       properties:
                         main:
+                          description: Main defines the main domain name.
                           type: string
                         sans:
+                          description: SANs defines the subject alternative domain
+                            names.
                           items:
                             type: string
                           type: array
@@ -408,8 +411,11 @@ spec:
                       description: Domain holds a domain name with SANs.
                       properties:
                         main:
+                          description: Main defines the main domain name.
                           type: string
                         sans:
+                          description: SANs defines the subject alternative domain
+                            names.
                           items:
                             type: string
                           type: array
@@ -1282,6 +1288,8 @@ spec:
               plugin:
                 additionalProperties:
                   x-kubernetes-preserve-unknown-fields: true
+                description: 'Plugin defines the middleware plugin configuration.
+                  More info: https://doc.traefik.io/traefik/plugins/'
                 type: object
               rateLimit:
                 description: 'RateLimit holds the rate limit configuration. This middleware
diff --git a/docs/content/reference/dynamic-configuration/traefik.containo.us_ingressroutes.yaml b/docs/content/reference/dynamic-configuration/traefik.containo.us_ingressroutes.yaml
index d79c4539d..b1dbbc4de 100644
--- a/docs/content/reference/dynamic-configuration/traefik.containo.us_ingressroutes.yaml
+++ b/docs/content/reference/dynamic-configuration/traefik.containo.us_ingressroutes.yaml
@@ -204,8 +204,11 @@ spec:
                       description: Domain holds a domain name with SANs.
                       properties:
                         main:
+                          description: Main defines the main domain name.
                           type: string
                         sans:
+                          description: SANs defines the subject alternative domain
+                            names.
                           items:
                             type: string
                           type: array
diff --git a/docs/content/reference/dynamic-configuration/traefik.containo.us_ingressroutetcps.yaml b/docs/content/reference/dynamic-configuration/traefik.containo.us_ingressroutetcps.yaml
index 1be022474..5e83a9bc8 100644
--- a/docs/content/reference/dynamic-configuration/traefik.containo.us_ingressroutetcps.yaml
+++ b/docs/content/reference/dynamic-configuration/traefik.containo.us_ingressroutetcps.yaml
@@ -143,8 +143,11 @@ spec:
                       description: Domain holds a domain name with SANs.
                       properties:
                         main:
+                          description: Main defines the main domain name.
                           type: string
                         sans:
+                          description: SANs defines the subject alternative domain
+                            names.
                           items:
                             type: string
                           type: array
diff --git a/docs/content/reference/dynamic-configuration/traefik.containo.us_middlewares.yaml b/docs/content/reference/dynamic-configuration/traefik.containo.us_middlewares.yaml
index 1520b663b..b6540433c 100644
--- a/docs/content/reference/dynamic-configuration/traefik.containo.us_middlewares.yaml
+++ b/docs/content/reference/dynamic-configuration/traefik.containo.us_middlewares.yaml
@@ -711,6 +711,8 @@ spec:
               plugin:
                 additionalProperties:
                   x-kubernetes-preserve-unknown-fields: true
+                description: 'Plugin defines the middleware plugin configuration.
+                  More info: https://doc.traefik.io/traefik/plugins/'
                 type: object
               rateLimit:
                 description: 'RateLimit holds the rate limit configuration. This middleware
diff --git a/integration/fixtures/k8s/01-traefik-crd.yml b/integration/fixtures/k8s/01-traefik-crd.yml
index 6dfff51b9..0db126be5 100644
--- a/integration/fixtures/k8s/01-traefik-crd.yml
+++ b/integration/fixtures/k8s/01-traefik-crd.yml
@@ -204,8 +204,11 @@ spec:
                       description: Domain holds a domain name with SANs.
                       properties:
                         main:
+                          description: Main defines the main domain name.
                           type: string
                         sans:
+                          description: SANs defines the subject alternative domain
+                            names.
                           items:
                             type: string
                           type: array
@@ -408,8 +411,11 @@ spec:
                       description: Domain holds a domain name with SANs.
                       properties:
                         main:
+                          description: Main defines the main domain name.
                           type: string
                         sans:
+                          description: SANs defines the subject alternative domain
+                            names.
                           items:
                             type: string
                           type: array
@@ -1282,6 +1288,8 @@ spec:
               plugin:
                 additionalProperties:
                   x-kubernetes-preserve-unknown-fields: true
+                description: 'Plugin defines the middleware plugin configuration.
+                  More info: https://doc.traefik.io/traefik/plugins/'
                 type: object
               rateLimit:
                 description: 'RateLimit holds the rate limit configuration. This middleware
diff --git a/pkg/provider/kubernetes/crd/traefik/v1alpha1/middleware.go b/pkg/provider/kubernetes/crd/traefik/v1alpha1/middleware.go
index 1f755ae7f..e92c7695b 100644
--- a/pkg/provider/kubernetes/crd/traefik/v1alpha1/middleware.go
+++ b/pkg/provider/kubernetes/crd/traefik/v1alpha1/middleware.go
@@ -26,29 +26,31 @@ type Middleware struct {
 
 // MiddlewareSpec defines the desired state of a Middleware.
 type MiddlewareSpec struct {
-	AddPrefix         *dynamic.AddPrefix             `json:"addPrefix,omitempty"`
-	StripPrefix       *dynamic.StripPrefix           `json:"stripPrefix,omitempty"`
-	StripPrefixRegex  *dynamic.StripPrefixRegex      `json:"stripPrefixRegex,omitempty"`
-	ReplacePath       *dynamic.ReplacePath           `json:"replacePath,omitempty"`
-	ReplacePathRegex  *dynamic.ReplacePathRegex      `json:"replacePathRegex,omitempty"`
-	Chain             *Chain                         `json:"chain,omitempty"`
-	IPWhiteList       *dynamic.IPWhiteList           `json:"ipWhiteList,omitempty"`
-	Headers           *dynamic.Headers               `json:"headers,omitempty"`
-	Errors            *ErrorPage                     `json:"errors,omitempty"`
-	RateLimit         *RateLimit                     `json:"rateLimit,omitempty"`
-	RedirectRegex     *dynamic.RedirectRegex         `json:"redirectRegex,omitempty"`
-	RedirectScheme    *dynamic.RedirectScheme        `json:"redirectScheme,omitempty"`
-	BasicAuth         *BasicAuth                     `json:"basicAuth,omitempty"`
-	DigestAuth        *DigestAuth                    `json:"digestAuth,omitempty"`
-	ForwardAuth       *ForwardAuth                   `json:"forwardAuth,omitempty"`
-	InFlightReq       *dynamic.InFlightReq           `json:"inFlightReq,omitempty"`
-	Buffering         *dynamic.Buffering             `json:"buffering,omitempty"`
-	CircuitBreaker    *dynamic.CircuitBreaker        `json:"circuitBreaker,omitempty"`
-	Compress          *dynamic.Compress              `json:"compress,omitempty"`
-	PassTLSClientCert *dynamic.PassTLSClientCert     `json:"passTLSClientCert,omitempty"`
-	Retry             *Retry                         `json:"retry,omitempty"`
-	ContentType       *dynamic.ContentType           `json:"contentType,omitempty"`
-	Plugin            map[string]apiextensionv1.JSON `json:"plugin,omitempty"`
+	AddPrefix         *dynamic.AddPrefix         `json:"addPrefix,omitempty"`
+	StripPrefix       *dynamic.StripPrefix       `json:"stripPrefix,omitempty"`
+	StripPrefixRegex  *dynamic.StripPrefixRegex  `json:"stripPrefixRegex,omitempty"`
+	ReplacePath       *dynamic.ReplacePath       `json:"replacePath,omitempty"`
+	ReplacePathRegex  *dynamic.ReplacePathRegex  `json:"replacePathRegex,omitempty"`
+	Chain             *Chain                     `json:"chain,omitempty"`
+	IPWhiteList       *dynamic.IPWhiteList       `json:"ipWhiteList,omitempty"`
+	Headers           *dynamic.Headers           `json:"headers,omitempty"`
+	Errors            *ErrorPage                 `json:"errors,omitempty"`
+	RateLimit         *RateLimit                 `json:"rateLimit,omitempty"`
+	RedirectRegex     *dynamic.RedirectRegex     `json:"redirectRegex,omitempty"`
+	RedirectScheme    *dynamic.RedirectScheme    `json:"redirectScheme,omitempty"`
+	BasicAuth         *BasicAuth                 `json:"basicAuth,omitempty"`
+	DigestAuth        *DigestAuth                `json:"digestAuth,omitempty"`
+	ForwardAuth       *ForwardAuth               `json:"forwardAuth,omitempty"`
+	InFlightReq       *dynamic.InFlightReq       `json:"inFlightReq,omitempty"`
+	Buffering         *dynamic.Buffering         `json:"buffering,omitempty"`
+	CircuitBreaker    *dynamic.CircuitBreaker    `json:"circuitBreaker,omitempty"`
+	Compress          *dynamic.Compress          `json:"compress,omitempty"`
+	PassTLSClientCert *dynamic.PassTLSClientCert `json:"passTLSClientCert,omitempty"`
+	Retry             *Retry                     `json:"retry,omitempty"`
+	ContentType       *dynamic.ContentType       `json:"contentType,omitempty"`
+	// Plugin defines the middleware plugin configuration.
+	// More info: https://doc.traefik.io/traefik/plugins/
+	Plugin map[string]apiextensionv1.JSON `json:"plugin,omitempty"`
 }
 
 // +k8s:deepcopy-gen=true
diff --git a/pkg/types/domains.go b/pkg/types/domains.go
index b13fbbd2f..3d62adb50 100644
--- a/pkg/types/domains.go
+++ b/pkg/types/domains.go
@@ -8,7 +8,9 @@ import (
 
 // Domain holds a domain name with SANs.
 type Domain struct {
-	Main string   `description:"Default subject name." json:"main,omitempty" toml:"main,omitempty" yaml:"main,omitempty"`
+	// Main defines the main domain name.
+	Main string `description:"Default subject name." json:"main,omitempty" toml:"main,omitempty" yaml:"main,omitempty"`
+	// SANs defines the subject alternative domain names.
 	SANs []string `description:"Subject alternative names." json:"sans,omitempty" toml:"sans,omitempty" yaml:"sans,omitempty"`
 }