diff --git a/pf4j/pom.xml b/pf4j/pom.xml
index 6ea4f4c..7219db5 100644
--- a/pf4j/pom.xml
+++ b/pf4j/pom.xml
@@ -20,18 +20,18 @@
 
     <build>
         <plugins>
-			<plugin>
-				<groupId>org.codehaus.mojo</groupId>
-				<artifactId>templating-maven-plugin</artifactId>
-				<executions>
-					<execution>
-						<id>filter-src</id>
-						<goals>
-							<goal>filter-sources</goal>
-						</goals>
-					</execution>
-				</executions>
-			</plugin>
+            <plugin>
+                <groupId>org.codehaus.mojo</groupId>
+                <artifactId>templating-maven-plugin</artifactId>
+                <executions>
+                    <execution>
+                        <id>filter-src</id>
+                        <goals>
+                            <goal>filter-sources</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>