diff --git a/build.xml b/build.xml
index db87a22bf..980d18064 100644
--- a/build.xml
+++ b/build.xml
@@ -1014,6 +1014,7 @@
              version="true"
              windowtitle="${Name} API"
              doctitle="${Name}">
+      <tag name="todo" description="To do:" scope="all" />
       <group title="Apache Ant Core" packages="org.apache.tools.ant*" />
       <group title="Core Tasks" packages="org.apache.tools.ant.taskdefs*" />
       <group title="Optional Tasks" packages="org.apache.tools.ant.taskdefs.optional*" />