Fix typos

Author: Sergey Podgornyy

README.md

@@ -1,6 +1,6 @@
 # MySQL database migrator
 
-<img align="right" width="159px" src="./logo.png">
+<img align="right" width="159px" src="https://github.com/larapulse/migrator/blob/master/logo.png">
 
 [![Build Status](https://travis-ci.org/larapulse/migrator.svg)](https://travis-ci.org/larapulse/migrator)
 [![Software License](https://img.shields.io/badge/license-MIT-brightgreen.svg)](LICENSE.md)
@@ -10,7 +10,7 @@
 [![Release](https://img.shields.io/github/release/larapulse/migrator.svg)](https://github.com/larapulse/migrator/releases)
 [![TODOs](https://badgen.net/https/api.tickgit.com/badgen/github.com/larapulse/migrator)](https://www.tickgit.com/browse?repo=github.com/larapulse/migrator)
 
-MySQL database migrator designed to run migrations to your features and manage database schema update with intuitive go code. It is compatible with latest MySQL v8.
+MySQL database migrator designed to run migrations to your features and manage database schema update with intuitive go code. It is compatible with the latest MySQL v8.
 
 ## Installation
 
@@ -104,7 +104,7 @@ for _, m := range migrated {
 fmt.Println("Migration did run successfully")
 ```
 
-After first migration run, `migrations` table will be created:
+After the first migration run, `migrations` table will be created:
 
 ```
 +----+-------------------------------------+-------+---------------------+
@@ -201,7 +201,7 @@ posts.Column("data", customType("json not null"))
 posts.Timestamps()
 ```
 
-Same logic is for adding custom commands to the Schema to be migrated or reverted, just be sure you implement `command` interface:
+The same logic is for adding custom commands to the Schema to be migrated or reverted, just be sure you implement `command` interface:
 
 ```go
 type customCommand string

column.go

@@ -27,7 +27,7 @@ type columnType interface {
 	buildRow() string
 }
 
-// Integer represents integer value in DB: {tiny,small,medium,big}int
+// Integer represents an integer value in DB: {tiny,small,medium,big}int
 //
 // Default migrator.Integer will build a sql row: `int NOT NULL`
 //
@@ -87,7 +87,7 @@ func (i Integer) buildRow() string {
 	return sql
 }
 
-// Floatable replresents number with floating point in DB:
+// Floatable represents a number with a floating point in DB:
 // `float`, `double` or `decimal`
 //
 // Default migrator.Floatable will build a sql row: `float NOT NULL`
@@ -390,7 +390,7 @@ func (j JSON) buildRow() string {
 	return sql
 }
 
-// Enum represents choisable value. In database represented by: `enum` or `set`
+// Enum represents choosable value. In the database represented by: `enum` or `set`
 //
 // Default migrator.Enum will build a sql row: `enum('') NOT NULL`
 //

migration.go

@@ -8,7 +8,7 @@ type executableSQL interface {
 
 // Migration represents migration entity
 //
-// Name 		should be unique name to specify migration. It is up to you to choose the name you like
+// Name 		should be a unique name to specify migration. It is up to you to choose the name you like
 // Up() 		should return Schema with prepared commands to be migrated
 // Down()		should return Schema with prepared commands to be reverted
 // Transaction	optinal flag to enable transaction for migration

migrator.go

@@ -1,7 +1,7 @@
 // Package migrator represents MySQL database migrator
 //
 // MySQL database migrator designed to run migrations to your features and manage database schema update with intuitive go code.
-// It is compatible with latest MySQL v8.
+// It is compatible with the latest MySQL v8.
 package migrator
 
 import (
@@ -15,20 +15,20 @@ import (
 const migrationTable = "migrations"
 
 var (
-	// ErrTableNotExists returned when migration table not found
-	ErrTableNotExists = errors.New("Migration table does not exists")
+	// ErrTableNotExists returns when migration table not found
+	ErrTableNotExists = errors.New("Migration table does not exist")
 
-	// ErrNoMigrationDefined returned when no migations defined in the migrations pool
+	// ErrNoMigrationDefined returns when no migrations defined in the migrations pool
 	ErrNoMigrationDefined = errors.New("No migrations defined")
 
-	// ErrEmptyRollbackStack returned when nothing can be reverted
+	// ErrEmptyRollbackStack returns when nothing can be reverted
 	ErrEmptyRollbackStack = errors.New("Nothing to rollback, there are no migration executed")
 
-	// ErrMissingMigrationName returned when migration name is missing
+	// ErrMissingMigrationName returns when migration name is missing
 	ErrMissingMigrationName = errors.New("Missing migration name")
 
-	// ErrNoSQLCommandsToRun returned when migration is invalid and has not commands in the pool
-	ErrNoSQLCommandsToRun = errors.New("There is no command to be executed")
+	// ErrNoSQLCommandsToRun returns when migration is invalid and has no commands in the pool
+	ErrNoSQLCommandsToRun = errors.New("There are no commands to be executed")
 )
 
 type migrationEntry struct {
@@ -38,10 +38,10 @@ type migrationEntry struct {
 	appliedAt time.Time
 }
 
-// Migrator represents a struct with migrations, that should be executed
+// Migrator represents a struct with migrations, that should be executed.
 //
-// Default migration table name is `migrations`, but it can be re-defined
-// Pool is a list of migrations that should be migrated
+// Default migration table name is `migrations`, but it can be re-defined.
+// Pool is a list of migrations that should be migrated.
 type Migrator struct {
 	// Name of the table to track executed migrations
 	TableName string
@@ -50,7 +50,7 @@ type Migrator struct {
 	executed []migrationEntry
 }
 
-// Migrate run all migrations from pool and stores in migration table executed migration
+// Migrate runs all migrations from pool and stores in migration table executed migration.
 func (m Migrator) Migrate(db *sql.DB) (migrated []string, err error) {
 	if len(m.Pool) == 0 {
 		return migrated, ErrNoMigrationDefined
@@ -97,7 +97,7 @@ func (m Migrator) Migrate(db *sql.DB) (migrated []string, err error) {
 	return migrated, nil
 }
 
-// Rollback reverts last executed batch of migratios
+// Rollback reverts last executed batch of migrations.
 func (m Migrator) Rollback(db *sql.DB) (reverted []string, err error) {
 	if len(m.Pool) == 0 {
 		return reverted, ErrNoMigrationDefined
@@ -149,7 +149,7 @@ func (m Migrator) Rollback(db *sql.DB) (reverted []string, err error) {
 	return reverted, nil
 }
 
-// Revert reverts all executed migration from the pool
+// Revert reverts all executed migration from the pool.
 func (m Migrator) Revert(db *sql.DB) (reverted []string, err error) {
 	if len(m.Pool) == 0 {
 		return reverted, ErrNoMigrationDefined

migrator_test.go

@@ -665,7 +665,7 @@ func TestHasTable(t *testing.T) {
 		assert.Equal(t, true, got)
 	})
 
-	t.Run("it returns false if table does not exists", func(t *testing.T) {
+	t.Run("it returns false if table does not exist", func(t *testing.T) {
 		m := Migrator{}
 		db, mock, resetDB := testDBConnection(t)
 		defer resetDB()

schema.go

@@ -1,12 +1,12 @@
 package migrator
 
-// Schema allows to add commands on schema.
+// Schema allows adding commands on the schema.
 // It should be used within migration to add migration commands.
 type Schema struct {
 	pool []command
 }
 
-// CreateTable allows to create table in schema
+// CreateTable allows creating the table in the schema.
 //
 // Example:
 //		var s migrator.Schema
@@ -17,8 +17,8 @@ func (s *Schema) CreateTable(t Table) {
 	s.pool = append(s.pool, createTableCommand{t})
 }
 
-// DropTable removes table from schema
-// Warning ⚠️ BC incompatible
+// DropTable removes a table from the schema.
+// Warning ⚠️ BC incompatible!
 //
 // Example:
 //		var s migrator.Schema
@@ -30,8 +30,8 @@ func (s *Schema) DropTable(name string, soft bool, option string) {
 	s.pool = append(s.pool, dropTableCommand{name, soft, option})
 }
 
-// DropTableIfExists removes table if exists from schema
-// Warning ⚠️ BC incompatible
+// DropTableIfExists removes table if exists from the schema.
+// Warning ⚠️ BC incompatible!
 //
 // Example:
 //		var s migrator.Schema
@@ -40,8 +40,8 @@ func (s *Schema) DropTableIfExists(name string) {
 	s.pool = append(s.pool, dropTableCommand{name, true, ""})
 }
 
-// RenameTable executes command to rename table
-// Warning ⚠️ BC incompatible
+// RenameTable executes a command to rename the table.
+// Warning ⚠️ BC incompatible!
 //
 // Example:
 //		var s migrator.Schema
@@ -50,7 +50,7 @@ func (s *Schema) RenameTable(old string, new string) {
 	s.pool = append(s.pool, renameTableCommand{old: old, new: new})
 }
 
-// AlterTable makes changes on table level
+// AlterTable makes changes on the table level.
 //
 // Example:
 //		var s migrator.Schema
@@ -60,7 +60,7 @@ func (s *Schema) AlterTable(name string, c TableCommands) {
 	s.pool = append(s.pool, alterTableCommand{name, c})
 }
 
-// CustomCommand allows to add custom command to the Schema
+// CustomCommand allows adding the custom command to the Schema.
 //
 // Example:
 //		type customCommand string

table.go

@@ -2,13 +2,13 @@ package migrator
 
 import "strings"
 
-// Table is an entity to create table
+// Table is an entity to create a table.
 //
-// Name			table name
-// Engine		default: InnoDB
-// Charset		default: utf8mb4 or first part of collation (if set)
-// Collation	default: utf8mb4_unicode_ci or charset with `_unicode_ci` suffix
-// Comment		optional comment on table
+// - Name		table name
+// - Engine		default: InnoDB
+// - Charset	default: utf8mb4 or first part of collation (if set)
+// - Collation	default: utf8mb4_unicode_ci or charset with `_unicode_ci` suffix
+// - Comment	optional comment on table
 type Table struct {
 	Name      string
 	columns   columns
@@ -20,12 +20,12 @@ type Table struct {
 	Comment   string
 }
 
-// Column adds column to the table
+// Column adds a column to the table
 func (t *Table) Column(name string, c columnType) {
 	t.columns = append(t.columns, column{field: name, definition: c})
 }
 
-// ID adds bigint `id` column that is primary key
+// ID adds bigint `id` column that is the primary key
 func (t *Table) ID(name string) {
 	t.Column(name, Integer{
 		Prefix:        "big",
@@ -35,13 +35,13 @@ func (t *Table) ID(name string) {
 	t.Primary(name)
 }
 
-// UniqueID adds unique id column (represented as UUID) that is primary key
+// UniqueID adds unique id column (represented as UUID) that is the primary key
 func (t *Table) UniqueID(name string) {
 	t.UUID(name, "(UUID())", false)
 	t.Primary(name)
 }
 
-// BinaryID adds unique binary id column (represented as UUID) that is primary key
+// BinaryID adds unique binary id column (represented as UUID) that is the primary key
 func (t *Table) BinaryID(name string) {
 	t.Column(name, Binary{Fixed: true, Precision: 16, Default: "(UUID_TO_BIN(UUID()))"})
 	t.Primary(name)