diff --git a/format/asciidoc_document.go b/format/asciidoc_document.go
index 260d833..2059e86 100644
--- a/format/asciidoc_document.go
+++ b/format/asciidoc_document.go
@@ -69,7 +69,7 @@ func NewAsciidocDocument(config *print.Config) Type {
 
 // Generate a Terraform module as AsciiDoc document.
 func (d *asciidocDocument) Generate(module *terraform.Module) error {
-	err := d.generator.forEach(func(name string) (string, error) {
+	err := d.forEach(func(name string) (string, error) {
 		rendered, err := d.template.Render(name, module)
 		if err != nil {
 			return "", err
@@ -77,7 +77,7 @@ func (d *asciidocDocument) Generate(module *terraform.Module) error {
 		return sanitize(rendered), nil
 	})
 
-	d.generator.funcs(withModule(module))
+	d.funcs(withModule(module))
 
 	return err
 }
diff --git a/format/asciidoc_table.go b/format/asciidoc_table.go
index c8cd675..a31f700 100644
--- a/format/asciidoc_table.go
+++ b/format/asciidoc_table.go
@@ -60,7 +60,7 @@ func NewAsciidocTable(config *print.Config) Type {
 
 // Generate a Terraform module as AsciiDoc tables.
 func (t *asciidocTable) Generate(module *terraform.Module) error {
-	err := t.generator.forEach(func(name string) (string, error) {
+	err := t.forEach(func(name string) (string, error) {
 		rendered, err := t.template.Render(name, module)
 		if err != nil {
 			return "", err
@@ -68,7 +68,7 @@ func (t *asciidocTable) Generate(module *terraform.Module) error {
 		return sanitize(rendered), nil
 	})
 
-	t.generator.funcs(withModule(module))
+	t.funcs(withModule(module))
 
 	return err
 }
diff --git a/format/json.go b/format/json.go
index 357ca9f..34a58c5 100644
--- a/format/json.go
+++ b/format/json.go
@@ -47,7 +47,7 @@ func (j *json) Generate(module *terraform.Module) error {
 		return err
 	}
 
-	j.generator.funcs(withContent(strings.TrimSuffix(buffer.String(), "\n")))
+	j.funcs(withContent(strings.TrimSuffix(buffer.String(), "\n")))
 
 	return nil
 }
diff --git a/format/markdown_document.go b/format/markdown_document.go
index 23f8982..b029166 100644
--- a/format/markdown_document.go
+++ b/format/markdown_document.go
@@ -67,7 +67,7 @@ func NewMarkdownDocument(config *print.Config) Type {
 
 // Generate a Terraform module as Markdown document.
 func (d *markdownDocument) Generate(module *terraform.Module) error {
-	err := d.generator.forEach(func(name string) (string, error) {
+	err := d.forEach(func(name string) (string, error) {
 		rendered, err := d.template.Render(name, module)
 		if err != nil {
 			return "", err
@@ -75,7 +75,7 @@ func (d *markdownDocument) Generate(module *terraform.Module) error {
 		return sanitize(rendered), nil
 	})
 
-	d.generator.funcs(withModule(module))
+	d.funcs(withModule(module))
 
 	return err
 }
diff --git a/format/markdown_table.go b/format/markdown_table.go
index 19214d6..6d42bce 100644
--- a/format/markdown_table.go
+++ b/format/markdown_table.go
@@ -58,7 +58,7 @@ func NewMarkdownTable(config *print.Config) Type {
 
 // Generate a Terraform module as Markdown tables.
 func (t *markdownTable) Generate(module *terraform.Module) error {
-	err := t.generator.forEach(func(name string) (string, error) {
+	err := t.forEach(func(name string) (string, error) {
 		rendered, err := t.template.Render(name, module)
 		if err != nil {
 			return "", err
@@ -66,7 +66,7 @@ func (t *markdownTable) Generate(module *terraform.Module) error {
 		return sanitize(rendered), nil
 	})
 
-	t.generator.funcs(withModule(module))
+	t.funcs(withModule(module))
 
 	return err
 }
diff --git a/format/pretty.go b/format/pretty.go
index 68f51e2..f33acea 100644
--- a/format/pretty.go
+++ b/format/pretty.go
@@ -64,8 +64,8 @@ func (p *pretty) Generate(module *terraform.Module) error {
 		return err
 	}
 
-	p.generator.funcs(withContent(regexp.MustCompile(`(\r?\n)*$`).ReplaceAllString(rendered, "")))
-	p.generator.funcs(withModule(module))
+	p.funcs(withContent(regexp.MustCompile(`(\r?\n)*$`).ReplaceAllString(rendered, "")))
+	p.funcs(withModule(module))
 
 	return nil
 }
diff --git a/format/tfvars_hcl.go b/format/tfvars_hcl.go
index 4364f5c..d1e13ba 100644
--- a/format/tfvars_hcl.go
+++ b/format/tfvars_hcl.go
@@ -76,7 +76,7 @@ func (h *tfvarsHCL) Generate(module *terraform.Module) error {
 		return err
 	}
 
-	h.generator.funcs(withContent(strings.TrimSuffix(sanitize(rendered), "\n")))
+	h.funcs(withContent(strings.TrimSuffix(sanitize(rendered), "\n")))
 
 	return nil
 }
diff --git a/format/tfvars_json.go b/format/tfvars_json.go
index c6203f8..34bde2a 100644
--- a/format/tfvars_json.go
+++ b/format/tfvars_json.go
@@ -53,7 +53,7 @@ func (j *tfvarsJSON) Generate(module *terraform.Module) error {
 		return err
 	}
 
-	j.generator.funcs(withContent(strings.TrimSuffix(buffer.String(), "\n")))
+	j.funcs(withContent(strings.TrimSuffix(buffer.String(), "\n")))
 
 	return nil
 }
diff --git a/format/toml.go b/format/toml.go
index ce46298..15ce1bd 100644
--- a/format/toml.go
+++ b/format/toml.go
@@ -46,7 +46,7 @@ func (t *toml) Generate(module *terraform.Module) error {
 		return err
 	}
 
-	t.generator.funcs(withContent(strings.TrimSuffix(buffer.String(), "\n")))
+	t.funcs(withContent(strings.TrimSuffix(buffer.String(), "\n")))
 
 	return nil
 
diff --git a/format/xml.go b/format/xml.go
index 1093e94..ba6c817 100644
--- a/format/xml.go
+++ b/format/xml.go
@@ -42,7 +42,7 @@ func (x *xml) Generate(module *terraform.Module) error {
 		return err
 	}
 
-	x.generator.funcs(withContent(strings.TrimSuffix(string(out), "\n")))
+	x.funcs(withContent(strings.TrimSuffix(string(out), "\n")))
 
 	return nil
 }
diff --git a/format/yaml.go b/format/yaml.go
index a12a125..52ca58c 100644
--- a/format/yaml.go
+++ b/format/yaml.go
@@ -47,7 +47,7 @@ func (y *yaml) Generate(module *terraform.Module) error {
 		return err
 	}
 
-	y.generator.funcs(withContent(strings.TrimSuffix(buffer.String(), "\n")))
+	y.funcs(withContent(strings.TrimSuffix(buffer.String(), "\n")))
 
 	return nil
 }
diff --git a/internal/plugin/discovery.go b/internal/plugin/discovery.go
index b6c611f..99dbfe8 100644
--- a/internal/plugin/discovery.go
+++ b/internal/plugin/discovery.go
@@ -11,6 +11,7 @@ the root directory of this source tree.
 package plugin
 
 import (
+	"context"
 	"fmt"
 	"os"
 	"os/exec"
@@ -71,7 +72,7 @@ func findPlugins(dir string) (*List, error) {
 		// path on the fly per directory.
 		//
 		// nolint:gosec
-		cmd := exec.Command(path)
+		cmd := exec.CommandContext(context.TODO(), path)
 
 		client := pluginsdk.NewClient(&pluginsdk.ClientOpts{
 			Cmd: cmd,
diff --git a/plugin/plugin.go b/plugin/plugin.go
index 9540476..7104184 100644
--- a/plugin/plugin.go
+++ b/plugin/plugin.go
@@ -19,6 +19,9 @@ import (
 	"github.com/terraform-docs/terraform-docs/internal/types"
 )
 
+// Ensure formatter fully satisfy plugin interface.
+var _ goplugin.Plugin = &formatter{}
+
 // handshakeConfig is used for UX. ProcotolVersion will be updated by incompatible changes.
 var handshakeConfig = goplugin.HandshakeConfig{
 	ProtocolVersion:  7,
@@ -59,7 +62,7 @@ func (f *formatter) Server(b *goplugin.MuxBroker) (interface{}, error) {
 }
 
 // Client returns an RPC client for the host.
-func (formatter) Client(b *goplugin.MuxBroker, c *rpc.Client) (interface{}, error) {
+func (*formatter) Client(b *goplugin.MuxBroker, c *rpc.Client) (interface{}, error) {
 	return &Client{rpcClient: c, broker: b}, nil
 }
 
diff --git a/print/config.go b/print/config.go
index 4ac1935..cd8534e 100644
--- a/print/config.go
+++ b/print/config.go
@@ -287,7 +287,7 @@ func (o *output) validate() error {
 
 	for _, t := range tests {
 		if t.condition() {
-			return fmt.Errorf(t.errMessage)
+			return fmt.Errorf("%s", t.errMessage)
 		}
 	}
 
diff --git a/template/template.go b/template/template.go
index 4fa5ef1..b89ce1a 100644
--- a/template/template.go
+++ b/template/template.go
@@ -51,7 +51,7 @@ func New(config *print.Config, items ...*Item) *Template {
 }
 
 // Funcs return available template out of the box and custom functions.
-func (t Template) Funcs() gotemplate.FuncMap {
+func (t *Template) Funcs() gotemplate.FuncMap {
 	return t.funcMap
 }
 
diff --git a/terraform/load.go b/terraform/load.go
index 55dfc72..12f48ef 100644
--- a/terraform/load.go
+++ b/terraform/load.go
@@ -11,6 +11,7 @@ the root directory of this source tree.
 package terraform
 
 import (
+	"context"
 	"encoding/json"
 	"errors"
 	"fmt"
@@ -336,7 +337,7 @@ func loadOutputValues(config *print.Config) (map[string]*output, error) {
 	var out []byte
 	var err error
 	if config.OutputValues.From == "" {
-		cmd := exec.Command("terraform", "output", "-json")
+		cmd := exec.CommandContext(context.TODO(), "terraform", "output", "-json")
 		cmd.Dir = config.ModuleRoot
 		if out, err = cmd.Output(); err != nil {
 			return nil, fmt.Errorf("caught error while reading the terraform outputs: %w", err)