diff --git a/log4j/pom.xml b/log4j/pom.xml
index dd5fc4021b..76c05b36c1 100644
--- a/log4j/pom.xml
+++ b/log4j/pom.xml
@@ -29,31 +29,21 @@
             <version>2.6</version>
         </dependency>
 
-		<!--disruptor for log4j2 async logging-->
+        <!--disruptor for log4j2 async logging-->
         <dependency>
             <groupId>com.lmax</groupId>
             <artifactId>disruptor</artifactId>
             <version>3.3.4</version>
         </dependency>
 
-        <!--<dependency>-->
-            <!--<groupId>org.apache.logging.log4j</groupId>-->
-            <!--<artifactId>log4j-api</artifactId>-->
-            <!--<version>2.6</version>-->
-        <!--</dependency>-->
-        <!--<dependency>-->
-            <!--<groupId>org.apache.logging.log4j</groupId>-->
-            <!--<artifactId>log4j-core</artifactId>-->
-            <!--<version>2.6</version>-->
-        <!--</dependency>-->
 
         <!--logback dependencies-->
 
-        <!--<dependency>-->
-            <!--<groupId>ch.qos.logback</groupId>-->
-            <!--<artifactId>logback-classic</artifactId>-->
-            <!--<version>1.1.7</version>-->
-        <!--</dependency>-->
+        <dependency>
+            <groupId>ch.qos.logback</groupId>
+            <artifactId>logback-classic</artifactId>
+            <version>1.1.7</version>
+        </dependency>
     </dependencies>
     <build>
         <plugins>
diff --git a/log4j/src/main/resources/log4j.xml b/log4j/src/main/resources/log4j.xml
index 05105cce8a..58a924f970 100644
--- a/log4j/src/main/resources/log4j.xml
+++ b/log4j/src/main/resources/log4j.xml
@@ -14,7 +14,7 @@
         <param name="append" value="false"/>
         <layout class="org.apache.log4j.PatternLayout">
             <param name="ConversionPattern" value="%d{yyyy-MM-dd HH:mm:ss} %-5p %m%n"/>
-            <param name="ConversionPattern" value="%d{yyyy-MM-dd HH:mm:ss} %p %m%n" />
+            <param name="ConversionPattern" value="%d{yyyy-MM-dd HH:mm:ss} %p %m%n"/>
         </layout>
     </appender>
 
diff --git a/log4j/src/main/resources/log4j2.xml b/log4j/src/main/resources/log4j2.xml
index 42f4e8d259..76a20bcd61 100644
--- a/log4j/src/main/resources/log4j2.xml
+++ b/log4j/src/main/resources/log4j2.xml
@@ -4,7 +4,7 @@
         # Console appender
         <Console name="stdout" target="SYSTEM_OUT">
             # Pattern of log message for console appender
-            <PatternLayout pattern="%d{yyyy-MM-dd HH:mm:ss} %p %m%n" />
+            <PatternLayout pattern="%d{yyyy-MM-dd HH:mm:ss} %p %m%n"/>
         </Console>
 
         # File appender
@@ -19,7 +19,7 @@
         <Logger name="com.baeldung.log4j2" level="TRACE"/>
 
         <AsyncRoot level="DEBUG">
-            <AppenderRef ref="stdout" />
+            <AppenderRef ref="stdout"/>
             <AppenderRef ref="fout"/>
         </AsyncRoot>
     </Loggers>
diff --git a/log4j/src/main/resources/logback.xml b/log4j/src/main/resources/logback.xml
index 0c50001890..fc66d560aa 100644
--- a/log4j/src/main/resources/logback.xml
+++ b/log4j/src/main/resources/logback.xml
@@ -1,28 +1,28 @@
 <configuration>
-  # Console appender
-  <appender name="stdout" class="ch.qos.logback.core.ConsoleAppender">
-    <layout class="ch.qos.logback.classic.PatternLayout">
-      # Pattern of log message for console appender
-      <Pattern>%d{yyyy-MM-dd HH:mm:ss} %p %m%n</Pattern>
-    </layout>
-  </appender>
+    # Console appender
+    <appender name="stdout" class="ch.qos.logback.core.ConsoleAppender">
+        <layout class="ch.qos.logback.classic.PatternLayout">
+            # Pattern of log message for console appender
+            <Pattern>%d{yyyy-MM-dd HH:mm:ss} %p %m%n</Pattern>
+        </layout>
+    </appender>
 
-  # File appender
-  <appender name="fout" class="ch.qos.logback.core.FileAppender">
-    # Name of a log file
-    <file>log4j/target/baeldung-logback.log</file>
-    <append>false</append>
-    <encoder>
-      # Pattern of log message for file appender
-      <pattern>%d{yyyy-MM-dd HH:mm:ss} %p %m%n</pattern>
-    </encoder>
-  </appender>
+    # File appender
+    <appender name="fout" class="ch.qos.logback.core.FileAppender">
+        # Name of a log file
+        <file>log4j/target/baeldung-logback.log</file>
+        <append>false</append>
+        <encoder>
+            # Pattern of log message for file appender
+            <pattern>%d{yyyy-MM-dd HH:mm:ss} %p %m%n</pattern>
+        </encoder>
+    </appender>
 
-  # Override log level for specified package
-  <logger name="com.baeldung.logback" level="TRACE"/>
+    # Override log level for specified package
+    <logger name="com.baeldung.logback" level="TRACE"/>
 
-  <root level="DEBUG">
-    <appender-ref ref="stdout" />
-    <appender-ref ref="fout" />
-  </root>
+    <root level="DEBUG">
+        <appender-ref ref="stdout"/>
+        <appender-ref ref="fout"/>
+    </root>
 </configuration>
\ No newline at end of file