diff --git a/pom.xml b/pom.xml
index f10bc33..a25723f 100755
--- a/pom.xml
+++ b/pom.xml
@@ -2,6 +2,8 @@
   xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
 
+  <!-- this is a comment which can be removed -->
+  
   <groupId>trie2</groupId>
   <artifactId>trie2</artifactId>
   <version>1.0-SNAPSHOT</version>
diff --git a/src/main/java/sedgewick/Patricia.java b/src/main/java/sedgewick/Patricia.java
index 0a9b299..e5d042c 100755
--- a/src/main/java/sedgewick/Patricia.java
+++ b/src/main/java/sedgewick/Patricia.java
@@ -2,6 +2,7 @@
 
 public class Patricia {
 
+  int aVariable;   
 
   private class Node {
     Item item;