fixed typo

git-svn-id: https://svn.apache.org/repos/asf/maven/shared/trunk@1595668 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/src/main/java/org/apache/maven/shared/dependency/graph/DependencyGraphBuilder.java b/src/main/java/org/apache/maven/shared/dependency/graph/DependencyGraphBuilder.java
index 002b3d8..3fba585 100644
--- a/src/main/java/org/apache/maven/shared/dependency/graph/DependencyGraphBuilder.java
+++ b/src/main/java/org/apache/maven/shared/dependency/graph/DependencyGraphBuilder.java
@@ -38,7 +38,7 @@
      * with an empty reactorProjects Map.
      *
      * @param project the project
-     * @param filter artifact filter (can be <code>null</code>
+     * @param filter artifact filter (can be <code>null</code>)
      * @return the dependency graph
      * @throws DependencyGraphBuilderException
      */
@@ -49,7 +49,7 @@
      * Build the dependency graph including any dependencies contained in the reactor projects.
      *
      * @param project the project
-     * @param filter artifact filter (can be <code>null</code>
+     * @param filter artifact filter (can be <code>null</code>)
      * @param reactorProjects Map of those projects contained in the reactor. Key is made up of
      *            groupId-artifactId-version.
      * @return the dependency graph