diff --git a/.obs/chartfile/crds/templates/crds.yaml b/.obs/chartfile/crds/templates/crds.yaml
index 9a2295b1..dd033e9e 100644
--- a/.obs/chartfile/crds/templates/crds.yaml
+++ b/.obs/chartfile/crds/templates/crds.yaml
@@ -2674,8 +2674,9 @@ spec:
                 pattern: ^(\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))))?$
                 x-kubernetes-int-or-string: true
               targetPlatform:
-                description: Platform specifies the target platform to build the seedimage
-                  for.
+                description: 'Platform specifies the target platform for the built
+                  image. Example: linux/amd64'
+                pattern: ^$|^\S+\/\S+$
                 type: string
               type:
                 default: iso
diff --git a/api/v1beta1/seedimage_type.go b/api/v1beta1/seedimage_type.go
index 7145b718..19c121e3 100644
--- a/api/v1beta1/seedimage_type.go
+++ b/api/v1beta1/seedimage_type.go
@@ -54,7 +54,10 @@ type SeedImageSpec struct {
 	// +kubebuilder:validation:Enum=iso;raw
 	// +kubebuilder:default:=iso
 	Type SeedImageType `json:"type"`
-	// Platform specifies the target platform to build the seedimage for.
+	// Platform specifies the target platform for the built image. Example: linux/amd64
+	// +kubebuilder:example=linux/amd64
+	// +kubebuilder:validation:Pattern=`^$|^\S+\/\S+$`
+	// +kubebuilder:validation:Type=string
 	// +optional
 	TargetPlatform Platform `json:"targetPlatform"`
 	// CloudConfig contains cloud-config data to be put in the generated iso.
diff --git a/config/crd/bases/elemental.cattle.io_seedimages.yaml b/config/crd/bases/elemental.cattle.io_seedimages.yaml
index e5556ad6..4b92bae0 100644
--- a/config/crd/bases/elemental.cattle.io_seedimages.yaml
+++ b/config/crd/bases/elemental.cattle.io_seedimages.yaml
@@ -124,8 +124,9 @@ spec:
                 pattern: ^(\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))))?$
                 x-kubernetes-int-or-string: true
               targetPlatform:
-                description: Platform specifies the target platform to build the seedimage
-                  for.
+                description: 'Platform specifies the target platform for the built
+                  image. Example: linux/amd64'
+                pattern: ^$|^\S+\/\S+$
                 type: string
               type:
                 default: iso