diff --git a/persistence-modules/java-jpa-3/src/main/java/com/baeldung/jpa/index/Student.java b/persistence-modules/java-jpa-3/src/main/java/com/baeldung/jpa/index/Student.java
index 0a77cfbc9e..45de3f3fc4 100644
--- a/persistence-modules/java-jpa-3/src/main/java/com/baeldung/jpa/index/Student.java
+++ b/persistence-modules/java-jpa-3/src/main/java/com/baeldung/jpa/index/Student.java
@@ -10,13 +10,13 @@ import java.util.Objects;
 
 @Entity
 @Table(indexes = {
-        @Index(columnList = "firstName"),
-        @Index(name = "fn_index", columnList = "id"),
-        @Index(name = "multiIndex1", columnList = "firstName, lastName"),
-        @Index(name = "multiIndex2", columnList = "lastName, firstName"),
-        @Index(name = "multiSortIndex", columnList = "firstName, lastName DESC"),
-        @Index(name = "uniqueIndex", columnList = "firstName", unique = true),
-        @Index(name = "uniqueMultiIndex", columnList = "firstName, lastName", unique = true)
+  @Index(columnList = "firstName"),
+  @Index(name = "fn_index", columnList = "id"),
+  @Index(name = "multiIndex1", columnList = "firstName, lastName"),
+  @Index(name = "multiIndex2", columnList = "lastName, firstName"),
+  @Index(name = "multiSortIndex", columnList = "firstName, lastName DESC"),
+  @Index(name = "uniqueIndex", columnList = "firstName", unique = true),
+  @Index(name = "uniqueMultiIndex", columnList = "firstName, lastName", unique = true)
 })
 public class Student implements Serializable {
     @Id
diff --git a/persistence-modules/java-jpa-3/src/main/resources/META-INF/persistence.xml b/persistence-modules/java-jpa-3/src/main/resources/META-INF/persistence.xml
index 8fe3a8bbf1..1a53fb8e82 100644
--- a/persistence-modules/java-jpa-3/src/main/resources/META-INF/persistence.xml
+++ b/persistence-modules/java-jpa-3/src/main/resources/META-INF/persistence.xml
@@ -41,18 +41,18 @@
         </properties>
     </persistence-unit>
     <persistence-unit name="jpa-index">
-		    <provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
-		    <class>com.baeldung.jpa.index.Student</class>
-		    <exclude-unlisted-classes>true</exclude-unlisted-classes>
-		    <properties>
-		    	<property name="javax.persistence.jdbc.driver" value="org.h2.Driver" />
-		    	<property name="javax.persistence.jdbc.url" value="jdbc:h2:mem:test" />
-		    	<property name="javax.persistence.jdbc.user" value="sa" />
-		    	<property name="javax.persistence.jdbc.password" value="" />
-   			<property name="hibernate.dialect" value="org.hibernate.dialect.H2Dialect" />
-   			<property name="hibernate.hbm2ddl.auto" value="create-drop" />
-   			<property name="show_sql" value="true" />
-   			<property name="hibernate.temp.use_jdbc_metadata_defaults" value="false" />
-   		</properties>
-   	</persistence-unit>
+            <provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
+            <class>com.baeldung.jpa.index.Student</class>
+            <exclude-unlisted-classes>true</exclude-unlisted-classes>
+            <properties>
+                <property name="javax.persistence.jdbc.driver" value="org.h2.Driver" />
+                <property name="javax.persistence.jdbc.url" value="jdbc:h2:mem:test" />
+                <property name="javax.persistence.jdbc.user" value="sa" />
+                <property name="javax.persistence.jdbc.password" value="" />
+            <property name="hibernate.dialect" value="org.hibernate.dialect.H2Dialect" />
+            <property name="hibernate.hbm2ddl.auto" value="create-drop" />
+            <property name="show_sql" value="true" />
+            <property name="hibernate.temp.use_jdbc_metadata_defaults" value="false" />
+        </properties>
+    </persistence-unit>
 </persistence>