diff --git a/cmd/terradoc/cli/generate_fuzz_test.go b/cmd/terradoc/cli/generate_fuzz_test.go
new file mode 100644
index 0000000..e21908c
--- /dev/null
+++ b/cmd/terradoc/cli/generate_fuzz_test.go
@@ -0,0 +1,51 @@
+//go:build go1.18
+
+package cli
+
+import (
+	"bytes"
+	"strings"
+	"testing"
+
+	"github.com/mineiros-io/terradoc/internal/parsers/docparser"
+	"github.com/mineiros-io/terradoc/internal/renderers/markdown"
+)
+
+func FuzzGenerate(f *testing.F) {
+	seedCorpus := []string{
+		`section {
+			title = "test"
+			variable "module_enabled" {
+				type        = bool
+			}
+		}`,
+		`section {
+			title = "test"
+			section {
+				a = 1
+			}
+		}`,
+		`section {
+			variable "local_secondary_indexes" {
+				type        = any
+				readme_type = "list(local_secondary_index)"
+			}
+		}`,
+	}
+
+	for _, seed := range seedCorpus {
+		f.Add(seed)
+	}
+
+	f.Fuzz(func(t *testing.T, str string) {
+		r := strings.NewReader(str)
+		w := bytes.Buffer{}
+
+		def, err := docparser.Parse(r, "in.hcl")
+		if err != nil {
+			return
+		}
+
+		_ = markdown.Render(&w, def)
+	})
+}
diff --git a/cmd/terradoc/cli/testdata/fuzz/FuzzGenerate/167824474a7d2b13069b310976cd4ed84423fb5a97d0a54df55978d92947abb6 b/cmd/terradoc/cli/testdata/fuzz/FuzzGenerate/167824474a7d2b13069b310976cd4ed84423fb5a97d0a54df55978d92947abb6
new file mode 100644
index 0000000..29f7b0b
--- /dev/null
+++ b/cmd/terradoc/cli/testdata/fuzz/FuzzGenerate/167824474a7d2b13069b310976cd4ed84423fb5a97d0a54df55978d92947abb6
@@ -0,0 +1,2 @@
+go test fuzz v1
+string("section{\nvariable\"\"{\ntype=\"\"\n}\n}")
diff --git a/go.mod b/go.mod
index 645a880..dbda1ff 100644
--- a/go.mod
+++ b/go.mod
@@ -1,18 +1,18 @@
 module github.com/mineiros-io/terradoc
 
-go 1.17
+go 1.18
 
 require (
+	github.com/alecthomas/kong v0.3.0
 	github.com/google/go-cmp v0.5.6
 	github.com/hashicorp/hcl/v2 v2.10.1
+	github.com/madlambda/spells v0.2.0
 	github.com/zclconf/go-cty v1.9.1
 )
 
 require (
 	github.com/agext/levenshtein v1.2.1 // indirect
-	github.com/alecthomas/kong v0.3.0 // indirect
 	github.com/apparentlymart/go-textseg/v13 v13.0.0 // indirect
-	github.com/madlambda/spells v0.2.0 // indirect
 	github.com/mitchellh/go-wordwrap v0.0.0-20150314170334-ad45545899c7 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
 	golang.org/x/text v0.3.6 // indirect
diff --git a/go.sum b/go.sum
index 4565f32..8cad58b 100644
--- a/go.sum
+++ b/go.sum
@@ -2,9 +2,9 @@ github.com/agext/levenshtein v1.2.1 h1:QmvMAjj2aEICytGiWzmxoE0x2KZvE0fvmqMOfy2tj
 github.com/agext/levenshtein v1.2.1/go.mod h1:JEDfjyjHDjOF/1e4FlBE/PkbqA9OfWu2ki2W0IB5558=
 github.com/alecthomas/kong v0.3.0 h1:qOLFzu0dGPNz8z5TiXGzgW3gb3RXfWVJKeAxcghVW88=
 github.com/alecthomas/kong v0.3.0/go.mod h1:uzxf/HUh0tj43x1AyJROl3JT7SgsZ5m+icOv1csRhc0=
+github.com/alecthomas/repr v0.0.0-20210801044451-80ca428c5142 h1:8Uy0oSf5co/NZXje7U1z8Mpep++QJOldL2hs/sBQf48=
 github.com/alecthomas/repr v0.0.0-20210801044451-80ca428c5142/go.mod h1:2kn6fqh/zIyPLmm3ugklbEi5hg5wS435eygvNfaDQL8=
 github.com/apparentlymart/go-dump v0.0.0-20180507223929-23540a00eaa3/go.mod h1:oL81AME2rN47vu18xqj1S1jPIPuN7afo62yKTNn3XMM=
-github.com/apparentlymart/go-textseg v1.0.0 h1:rRmlIsPEEhUTIKQb7T++Nz/A5Q6C9IuX2wFoYVvnCs0=
 github.com/apparentlymart/go-textseg v1.0.0/go.mod h1:z96Txxhf3xSFMPmb5X/1W05FF/Nj9VFpLOpjS5yuumk=
 github.com/apparentlymart/go-textseg/v13 v13.0.0 h1:Y+KvPE1NYz0xl601PVImeQfFyEy6iT90AvPUL1NNfNw=
 github.com/apparentlymart/go-textseg/v13 v13.0.0/go.mod h1:ZK2fH7c4NqDTLtiYLvIkEghdlcqw7yxLeM89kiTRPUo=
@@ -34,12 +34,14 @@ github.com/mitchellh/go-wordwrap v0.0.0-20150314170334-ad45545899c7 h1:DpOJ2HYzC
 github.com/mitchellh/go-wordwrap v0.0.0-20150314170334-ad45545899c7/go.mod h1:ZXFpozHsX6DPmq2I0TCekCxypsnAUbP2oI0UX1GXzOo=
 github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
 github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/sergi/go-diff v1.0.0 h1:Kpca3qRNrduNnOQeazBd0ysaKrUJiIuISHxogkT9RPQ=
 github.com/sergi/go-diff v1.0.0/go.mod h1:0CfEIISq7TuYL3j771MWULgwwjU+GofnZX9QAmXWZgo=
 github.com/spf13/pflag v1.0.2/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnInEg4=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
+github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
 github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/vmihailenco/msgpack v3.3.3+incompatible/go.mod h1:fy3FlTQTDXWkZ7Bh6AcGMlsjHatGryHQYUTf1ShIgkk=
 github.com/vmihailenco/msgpack/v4 v4.3.12/go.mod h1:gborTTJjAo/GWTqqRjrLCn9pgNN+NXzzngzBKDPIqw4=
@@ -72,4 +74,5 @@ google.golang.org/appengine v1.6.5/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCID
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b h1:h8qDotaEPuJATrMmW04NCwg7v22aHH28wwpauUhK9Oo=
 gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=