diff --git a/file.go b/file.go
index f6b5190..0297b53 100644
--- a/file.go
+++ b/file.go
@@ -9,7 +9,7 @@ import (
 	"unicode"
 )
 
-// ClocFile is collecting to line count result
+// ClocFile is collecting to line count result.
 type ClocFile struct {
 	Code     int32  `xml:"code,attr" json:"code"`
 	Comments int32  `xml:"comment,attr" json:"comment"`
@@ -18,7 +18,7 @@ type ClocFile struct {
 	Lang     string `xml:"language,attr" json:"language"`
 }
 
-// ClocFiles is gocloc result set
+// ClocFiles is gocloc result set.
 type ClocFiles []ClocFile
 
 func (cf ClocFiles) Len() int {
diff --git a/gocloc.go b/gocloc.go
index 0a5c60b..84282c0 100644
--- a/gocloc.go
+++ b/gocloc.go
@@ -1,12 +1,12 @@
 package gocloc
 
-// Processor is gocloc analyzing processor
+// Processor is gocloc analyzing processor.
 type Processor struct {
 	langs *DefinedLanguages
 	opts  *ClocOptions
 }
 
-// Result defined processing result
+// Result defined processing result.
 type Result struct {
 	Total         *Language
 	Files         map[string]*ClocFile
@@ -14,7 +14,7 @@ type Result struct {
 	MaxPathLength int
 }
 
-// NewProcessor returns Processor
+// NewProcessor returns Processor.
 func NewProcessor(langs *DefinedLanguages, options *ClocOptions) *Processor {
 	return &Processor{
 		langs: langs,
diff --git a/json.go b/json.go
index a5c1436..ce55562 100644
--- a/json.go
+++ b/json.go
@@ -1,18 +1,18 @@
 package gocloc
 
-// JSONLanguagesResult defines the result of the analysis in JSON format
+// JSONLanguagesResult defines the result of the analysis in JSON format.
 type JSONLanguagesResult struct {
 	Languages []ClocLanguage `json:"languages"`
 	Total     ClocLanguage   `json:"total"`
 }
 
-// JSONFilesResult defines the result of the analysis(by files) in JSON format
+// JSONFilesResult defines the result of the analysis(by files) in JSON format.
 type JSONFilesResult struct {
 	Files []ClocFile   `json:"files"`
 	Total ClocLanguage `json:"total"`
 }
 
-// NewJSONLanguagesResultFromCloc returns JSONLanguagesResult with default data set
+// NewJSONLanguagesResultFromCloc returns JSONLanguagesResult with default data set.
 func NewJSONLanguagesResultFromCloc(total *Language, sortedLanguages Languages) JSONLanguagesResult {
 	var langs []ClocLanguage
 	for _, language := range sortedLanguages {
@@ -38,7 +38,7 @@ func NewJSONLanguagesResultFromCloc(total *Language, sortedLanguages Languages)
 	}
 }
 
-// NewJSONFilesResultFromCloc returns JSONFilesResult with default data set
+// NewJSONFilesResultFromCloc returns JSONFilesResult with default data set.
 func NewJSONFilesResultFromCloc(total *Language, sortedFiles ClocFiles) JSONFilesResult {
 	t := ClocLanguage{
 		FilesCount: total.Total,
diff --git a/language.go b/language.go
index 848612b..6e83bd1 100644
--- a/language.go
+++ b/language.go
@@ -15,7 +15,7 @@ import (
 	enry "github.com/go-enry/go-enry/v2"
 )
 
-// ClocLanguage is provide for xml-cloc and json format
+// ClocLanguage is provide for xml-cloc and json format.
 type ClocLanguage struct {
 	Name       string `xml:"name,attr" json:"name,omitempty"`
 	FilesCount int32  `xml:"files_count,attr" json:"files"`
@@ -377,7 +377,7 @@ func getFileType(path string, opts *ClocOptions) (ext string, ok bool) {
 	return ext, ok
 }
 
-// NewLanguage create language data store
+// NewLanguage create language data store.
 func NewLanguage(name string, lineComments []string, multiLines [][]string) *Language {
 	return &Language{
 		Name:         name,
@@ -428,7 +428,7 @@ func (langs *DefinedLanguages) GetFormattedString() string {
 	return buf.String()
 }
 
-// NewDefinedLanguages create DefinedLanguages
+// NewDefinedLanguages create DefinedLanguages.
 func NewDefinedLanguages() *DefinedLanguages {
 	return &DefinedLanguages{
 		Langs: map[string]*Language{
diff --git a/option.go b/option.go
index 73adc75..619a033 100644
--- a/option.go
+++ b/option.go
@@ -2,7 +2,7 @@ package gocloc
 
 import "regexp"
 
-// ClocOptions is gocloc processor options
+// ClocOptions is gocloc processor options.
 type ClocOptions struct {
 	Debug          bool
 	SkipDuplicated bool
@@ -19,7 +19,7 @@ type ClocOptions struct {
 	OnComment func(line string)
 }
 
-// NewClocOptions create new ClocOptions with default values
+// NewClocOptions create new ClocOptions with default values.
 func NewClocOptions() *ClocOptions {
 	return &ClocOptions{
 		Debug:          false,