diff --git a/internal/teclient/models.go b/internal/teclient/models.go
index a4ae56d..7332bf4 100644
--- a/internal/teclient/models.go
+++ b/internal/teclient/models.go
@@ -109,6 +109,7 @@ type VCLConfAPIModel struct {
 
 type NewVCLConfAPIModel struct {
 	VCLCode string `json:"config_body"`
+	Comment string `json:"comment"`
 }
 
 // Certificates
diff --git a/internal/teclient/vclconfs.go b/internal/teclient/vclconfs.go
index 071b415..cbe2434 100644
--- a/internal/teclient/vclconfs.go
+++ b/internal/teclient/vclconfs.go
@@ -50,6 +50,11 @@ func (c *Client) GetActiveVCLConf(environment APIEnvironment) (*VCLConfAPIModel,
 
 func (c *Client) CreateVclconf(vclconf NewVCLConfAPIModel, environment APIEnvironment) (*VCLConfAPIModel, error) {
 	envpath := c.MustGetAPIEnvironmentPath(environment)
+
+	// Add a fixed comment to annotate that this configuration is being managed by terraform
+	// TODO: consider porting this to the state in the future
+	vclconf.Comment = fmt.Sprintf("Managed with %s", c.UserAgent)
+
 	req, err := c.prepareJSONRequest(vclconf, "POST", fmt.Sprintf("%s/v1/%s/%d/config/", c.HostURL, envpath, c.CompanyId))
 	if err != nil {
 		return nil, err