diff --git a/android/build.xml b/android/build.xml
index 04543570a..c07d858b1 100644
--- a/android/build.xml
+++ b/android/build.xml
@@ -185,8 +185,9 @@ limitations under the License.
       </classpath>
     </javac>
 
-    <!-- Optimize with ProGuard -->
     <unzip src="../core/core.jar" dest="${out-classes}" overwrite="true"/>
+
+    <!-- Optimize with ProGuard; can comment out this section to disable it -->
     <mkdir dir="optimized"/>
     <property name="libraryjars.path" refid="android.target.classpath"/>
     <java jar="${WTK-home}/bin/proguard.jar" fork="true" failonerror="true">
@@ -207,6 +208,7 @@ limitations under the License.
     </java>
     <delete dir="${out-classes}"/>
     <move file="optimized" tofile="${out-classes}"/>
+    <!-- End optimization -->
   </target>
 
   <!-- Convert this project's .class files into .dex files. -->