diff --git a/README.md b/README.md
index 4acefc2..f80efc8 100644
--- a/README.md
+++ b/README.md
@@ -3,11 +3,11 @@
 [![Build Status](https://circleci.com/gh/Kyash/validatable-textinput-layout.svg?style=shield)](https://circleci.com/gh/Kyash/validatable-textinput-layout/tree/master)
 [![JitPack](https://jitpack.io/v/Kyash/validatable-textinput-layout.svg)](https://jitpack.io/#Kyash/validatable-textinput-layout)
 
-ValidatableTextInputLayout is the view which extended TextInputLayout to validate the input text easily for .
+ValidatableTextInputLayout is the view which extended TextInputLayout to validate the input text easily.
 
 ## Download
 
-Project build.gradle
+### Project build.gradle
 
 ```groovy
 allprojects {
@@ -18,12 +18,12 @@ allprojects {
 }
 ```
 
-App build.gradle
+### App build.gradle
 
 ```groovy
 dependencies {
     ...
-    compile 'com.kyash.vtl:validatable-textinput-layout:LATEST_VERSION'
+    compile 'com.github.Kyash:validatable-textinput-layout:LATEST_VERSION'
 }
 ```
 
@@ -76,14 +76,14 @@ focus_changed | Validate when the focus is changed
 ## Validators
 This library provides some common validators
  
-Validator | Screenshot
+Validator | Description
 :--: | :--:
 RequiredValidator | ![required_validator.gif](art/required_validator.gif)
 EmailValidator | ![email_validator.gif](art/email_validator.gif)
-NumberOnlyValidator | ー
+NumberOnlyValidator | Number only
 AsciiOnlyValidator | ![ascii_validator.gif](art/ascii_validator.gif)
-HiraganaOnlyValidator | ー
-KatakanaOnlyValidator | ー
+HiraganaOnlyValidator | Jananese Hieragana character
+KatakanaOnlyValidator | Japanese Katakana character
 
 
 
@@ -112,7 +112,7 @@ class MaterialDesignColorsValidator(
     }
 
     override fun validate(text: String?): Boolean {
-        throw UnsupportedOperationException("sync method is not arrowed because this validation uses async API response.")
+        throw UnsupportedOperationException("Sync method is not arrowed because this validation uses async API response.")
     }
 
     override fun getErrorMessage(): String {
diff --git a/library/build.gradle b/library/build.gradle
index 4c1e055..dfcd9d6 100644
--- a/library/build.gradle
+++ b/library/build.gradle
@@ -6,7 +6,7 @@ def versionMajor = 0
 def versionMinor = 1
 def versionPatch = 0
 
-group = 'com.kyash'
+group = 'co.kyash'
 version = "$versionMajor.$versionMinor.$versionPatch"
 
 android {
diff --git a/library/src/main/java/co/kyash/vtl/ValidatableTextInputLayout.kt b/library/src/main/java/co/kyash/vtl/ValidatableTextInputLayout.kt
index 187f604..66fb8fb 100644
--- a/library/src/main/java/co/kyash/vtl/ValidatableTextInputLayout.kt
+++ b/library/src/main/java/co/kyash/vtl/ValidatableTextInputLayout.kt
@@ -51,14 +51,14 @@ class ValidatableTextInputLayout @JvmOverloads constructor(
         a.recycle()
     }
 
+    val textInputAwareValidationFlowables: ArrayList<Flowable<Any>> = ArrayList()
+
     private val textProcessor: FlowableProcessor<String> = PublishProcessor.create()
 
     private val compositeDisposable: CompositeDisposable = CompositeDisposable()
 
     private val validators: ArrayList<VtlValidator> = ArrayList()
 
-    private val textInputAwareValidationFlowables: ArrayList<Flowable<Any>> = ArrayList()
-
     private val mainHandler: Handler = HandlerProvider.createMainHandler()
 
     private val textWatcher = object : TextWatcher {
@@ -111,7 +111,6 @@ class ValidatableTextInputLayout @JvmOverloads constructor(
     private fun initListeners() {
         val editText = editText ?: return
 
-        // If the text has error, validation should run on realtime.
         if (shouldValidateOnTextChanged || shouldValidateOnTextChangedOnce) {
             shouldValidateOnTextChangedOnce = TextUtils.isEmpty(error)
             editText.removeTextChangedListener(textWatcher)