diff --git a/android-app/src/main/java/org/solovyev/android/calculator/release/ChooseThemeReleaseNoteStep.java b/android-app/src/main/java/org/solovyev/android/calculator/release/ChooseThemeReleaseNoteStep.java
index 4fe0a2d8..751cbd33 100644
--- a/android-app/src/main/java/org/solovyev/android/calculator/release/ChooseThemeReleaseNoteStep.java
+++ b/android-app/src/main/java/org/solovyev/android/calculator/release/ChooseThemeReleaseNoteStep.java
@@ -6,6 +6,8 @@ import android.support.v4.app.Fragment;
 import javax.annotation.Nonnull;
 
 public class ChooseThemeReleaseNoteStep extends ReleaseNoteStep {
+	public static final int VERSION_CODE = 137;
+
 	public ChooseThemeReleaseNoteStep(Integer version) {
 		super(version);
 	}
diff --git a/android-app/src/main/java/org/solovyev/android/calculator/release/ReleaseNotes.java b/android-app/src/main/java/org/solovyev/android/calculator/release/ReleaseNotes.java
index 9e07798a..d03913ae 100644
--- a/android-app/src/main/java/org/solovyev/android/calculator/release/ReleaseNotes.java
+++ b/android-app/src/main/java/org/solovyev/android/calculator/release/ReleaseNotes.java
@@ -13,6 +13,7 @@ import java.util.List;
 import static org.solovyev.android.Android.getAppVersionCode;
 
 public final class ReleaseNotes {
+
 	@Nonnull
 	public static String getReleaseNotes(@Nonnull Context context) {
 		return getReleaseNotesString(context, 0);
@@ -54,8 +55,8 @@ public final class ReleaseNotes {
 		final TextHelper textHelper = new TextHelper(context.getResources(), CalculatorApplication.class.getPackage().getName());
 
 		for (int versionCode = currentVersionCode; versionCode >= minVersion; versionCode--) {
-			if (versionCode == 136) {
-				releaseNotes.add(136);
+			if (versionCode == ChooseThemeReleaseNoteStep.VERSION_CODE) {
+				releaseNotes.add(ChooseThemeReleaseNoteStep.VERSION_CODE);
 			}
 			final String releaseNotesForVersion = textHelper.getText(makeReleaseNotesResourceId(versionCode));
 			if (!Strings.isEmpty(releaseNotesForVersion)) {
@@ -71,7 +72,7 @@ public final class ReleaseNotes {
 		final TextHelper textHelper = new TextHelper(context.getResources(), CalculatorApplication.class.getPackage().getName());
 
 		for (int versionCode = currentVersionCode; versionCode >= minVersion; versionCode--) {
-			if (versionCode == 136) {
+			if (versionCode == ChooseThemeReleaseNoteStep.VERSION_CODE) {
 				return true;
 			}
 			String releaseNotesForVersion = textHelper.getText(makeReleaseNotesResourceId(versionCode));
diff --git a/android-app/src/main/java/org/solovyev/android/calculator/wizard/CalculatorWizards.java b/android-app/src/main/java/org/solovyev/android/calculator/wizard/CalculatorWizards.java
index 83518c7e..e37c15d7 100644
--- a/android-app/src/main/java/org/solovyev/android/calculator/wizard/CalculatorWizards.java
+++ b/android-app/src/main/java/org/solovyev/android/calculator/wizard/CalculatorWizards.java
@@ -88,7 +88,7 @@ public class CalculatorWizards implements Wizards {
 
 		for (Integer version : versions) {
 			switch (version) {
-				case 136:
+				case ChooseThemeReleaseNoteStep.VERSION_CODE:
 					wizardSteps.add(new ChooseThemeReleaseNoteStep(version));
 					break;
 				default:
diff --git a/android-app/src/main/res/values-ru/text_strings.xml b/android-app/src/main/res/values-ru/text_strings.xml
index c1673164..9ad9a792 100644
--- a/android-app/src/main/res/values-ru/text_strings.xml
+++ b/android-app/src/main/res/values-ru/text_strings.xml
@@ -331,5 +331,5 @@
   <string name="cpp_var_show_greek_keyboard">Показать греческий алфавит</string>
   <string name="cpp_var_hide_greek_keyboard">Скрыть греческий алфавит</string>
 	<string name="cpp_new_in_version">Новое в версии %1$s</string>
-	<string name="cpp_release_notes_choose_theme">Хотите попробовать новые темы в стиле Material? Выберите их из списка:</string>
+	<string name="cpp_release_notes_choose_theme">Хотите попробовать новые темы в стиле Матириал? Выберите их из списка:</string>
 </resources>