diff --git a/build.gradle b/build.gradle
index 654c49c..1771ba0 100644
--- a/build.gradle
+++ b/build.gradle
@@ -26,7 +26,7 @@ dependencies {
     compile 'com.android.support:multidex:1.0.1'
 
     compile 'io.reactivex.rxjava2:rxandroid:2.0.1'
-    compile 'io.reactivex.rxjava2:rxjava:2.1.1'
+    compile 'io.reactivex.rxjava2:rxjava:2.1.2'
 
     provided 'com.android.support:appcompat-v7:25.4.0'
     provided 'com.android.support:recyclerview-v7:25.4.0'
diff --git a/src/main/java/ru/touchin/templates/calendar/CalendarUtils.java b/src/main/java/ru/touchin/templates/calendar/CalendarUtils.java
index a4e9327..d9dfb5f 100644
--- a/src/main/java/ru/touchin/templates/calendar/CalendarUtils.java
+++ b/src/main/java/ru/touchin/templates/calendar/CalendarUtils.java
@@ -59,7 +59,7 @@ public final class CalendarUtils {
      * @param calendarItems List of {@link CalendarItem} where need to find specific element;
      * @param position      Position of adapter;
      * @return Position of Header that respond to requested position.
-     *     Returns null if Header or related CalendarItem was not found for specified position.
+     * Returns null if Header or related CalendarItem was not found for specified position.
      */
     @Nullable
     public static Integer findPositionOfSelectedMonth(@NonNull final List<CalendarItem> calendarItems, final long position) {
@@ -76,7 +76,7 @@ public final class CalendarUtils {
      * @param calendarItems List of {@link CalendarItem} where need to find specific element;
      * @param date          Requested date in milliseconds.
      * @return Position of Calendar cell that that has specific date.
-     *     Returns null if CalendarItem was not found for specified position.
+     * Returns null if CalendarItem was not found for specified position.
      */
     @Nullable
     public static Integer findPositionByDate(@NonNull final List<CalendarItem> calendarItems, final long date) {
diff --git a/src/main/java/ru/touchin/templates/retrofit/JsonResponseBodyConverter.java b/src/main/java/ru/touchin/templates/retrofit/JsonResponseBodyConverter.java
index cceb06b..614c8e2 100644
--- a/src/main/java/ru/touchin/templates/retrofit/JsonResponseBodyConverter.java
+++ b/src/main/java/ru/touchin/templates/retrofit/JsonResponseBodyConverter.java
@@ -70,7 +70,7 @@ public abstract class JsonResponseBodyConverter<T> implements Converter<Response
             validateCollection((Collection) result);
         }
         if (result instanceof Map) {
-            validateCollection(((Map)result).values());
+            validateCollection(((Map) result).values());
         }
 
         return result;
diff --git a/src/main/java/ru/touchin/templates/validation/ValidationState.java b/src/main/java/ru/touchin/templates/validation/ValidationState.java
index c79b88f..da19df5 100644
--- a/src/main/java/ru/touchin/templates/validation/ValidationState.java
+++ b/src/main/java/ru/touchin/templates/validation/ValidationState.java
@@ -59,6 +59,7 @@ public class ValidationState implements Serializable {
 
     /**
      * Returns unique code of the {@link ValidationState}.
+     *
      * @return code or the ValidationState.
      */
     public int getCode() {
@@ -67,6 +68,7 @@ public class ValidationState implements Serializable {
 
     /**
      * Don't forget to override this method!
+     *
      * @param object that you want to compare.
      * @return true if objects equals and false otherwise.
      */
diff --git a/src/main/java/ru/touchin/templates/validation/ViewWithError.java b/src/main/java/ru/touchin/templates/validation/ViewWithError.java
index a4bc14a..157b76d 100644
--- a/src/main/java/ru/touchin/templates/validation/ViewWithError.java
+++ b/src/main/java/ru/touchin/templates/validation/ViewWithError.java
@@ -38,6 +38,7 @@ public interface ViewWithError {
      * Shows error
      * Pass here error state.
      * It is not correct to pass here {@link ValidationState#VALID} or {@link ValidationState#INITIAL}
+     *
      * @param validationState error state. Can be other than {@link ValidationState} if you have successor of base {@link ValidationState}.
      */
     void showError(@NonNull final ValidationState validationState);
diff --git a/src/main/java/ru/touchin/templates/validation/validators/EditTextValidator.java b/src/main/java/ru/touchin/templates/validation/validators/EditTextValidator.java
index 0a8fb3e..d962e04 100644
--- a/src/main/java/ru/touchin/templates/validation/validators/EditTextValidator.java
+++ b/src/main/java/ru/touchin/templates/validation/validators/EditTextValidator.java
@@ -142,7 +142,7 @@ public abstract class EditTextValidator<TModel extends Serializable> extends Val
      *
      * @param text - input text.
      * @return pair with final {@link ValidationState} that is always not null and a model that we get after converting the text.
-     *      Model can be null if validation fails on primary or final checks.
+     * Model can be null if validation fails on primary or final checks.
      */
     @NonNull
     @Override
diff --git a/src/main/java/ru/touchin/templates/validation/validators/SameTypeValidator.java b/src/main/java/ru/touchin/templates/validation/validators/SameTypeValidator.java
index 9e77d2b..c8ed7a7 100644
--- a/src/main/java/ru/touchin/templates/validation/validators/SameTypeValidator.java
+++ b/src/main/java/ru/touchin/templates/validation/validators/SameTypeValidator.java
@@ -36,7 +36,7 @@ public class SameTypeValidator<TModel extends Serializable> extends Validator<TM
      *
      * @param wrapperModel - not null value that should be validated.
      * @return pair with final {@link ValidationState} that is always not null and a model that we get after converting the {@link TModel}.
-     *      Model can be null if validation fails.
+     * Model can be null if validation fails.
      */
     @NonNull
     @Override
diff --git a/src/main/java/ru/touchin/templates/validation/validators/Validator.java b/src/main/java/ru/touchin/templates/validation/validators/Validator.java
index 480a773..4845688 100644
--- a/src/main/java/ru/touchin/templates/validation/validators/Validator.java
+++ b/src/main/java/ru/touchin/templates/validation/validators/Validator.java
@@ -99,7 +99,7 @@ public abstract class Validator<TWrapperModel extends Serializable, TModel exten
      *
      * @param wrapperModel - not null value that should be validated.
      * @return pair with final {@link ValidationState} that is always not null and a model that we get after converting the {@link TWrapperModel}.
-     *      Model can be null if validation fails.
+     * Model can be null if validation fails.
      */
     @NonNull
     public abstract Observable<HalfNullablePair<ValidationState, TModel>> fullValidateAndGetModel(@NonNull final TWrapperModel wrapperModel);