diff --git a/build/build.xml b/build/build.xml
index 74f6b55..2f375da 100644
--- a/build/build.xml
+++ b/build/build.xml
@@ -223,9 +223,9 @@
     </zip>
   </target>
 
-  <target name="documentation" depends="boost.generate,boost.doc"/>
+  <target name="documentation" depends="boost.generate,boost.doc" description="generate documentation"/>
 
-  <target name="boost" depends="boost.generate,boost.convert,boost.doc,boost.test"/>
+  <target name="boost" depends="boost.generate,boost.convert,boost.doc,boost.test" description="convert to boost with documentation and tests"/>
 
   <target name="all" depends="configure,test,bench,reports,export,package" description="configure, build and run tests and benchmark, export and package distribution"/>