Javadoc: Use "file name" instead of "filename".
diff --git a/src/main/java/org/apache/commons/scxml2/test/StandaloneJexlExpressions.java b/src/main/java/org/apache/commons/scxml2/test/StandaloneJexlExpressions.java
index ed383ca..dedebc1 100644
--- a/src/main/java/org/apache/commons/scxml2/test/StandaloneJexlExpressions.java
+++ b/src/main/java/org/apache/commons/scxml2/test/StandaloneJexlExpressions.java
@@ -45,7 +45,7 @@
 
     /**
      * Launcher.
-     * @param args The arguments, one expected, the URI or filename of the
+     * @param args The arguments, one expected, the URI or file name of the
      *             SCXML document
      */
     public static void main(final String[] args) {