Typo

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/chain/trunk@1643393 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/pom.xml b/pom.xml
index b5270e4..619dda6 100644
--- a/pom.xml
+++ b/pom.xml
@@ -318,7 +318,7 @@
           <artifactId>maven-pmd-plugin</artifactId>
           <version>3.0.1</version>
           <configuration>
-            <targetJdk>${maven.compile.target}</targetJdk>
+            <targetJdk>${maven.compiler.target}</targetJdk>
           </configuration>
       </plugin>
     </plugins>