One more small build change.

git-svn-id: https://zxing.googlecode.com/svn/trunk@1997 59b500cc-1b3d-0410-9834-0bbf25fbcc57
diff --git a/build.properties b/build.properties
index 0422ef9..9df2bd6 100644
--- a/build.properties
+++ b/build.properties
@@ -1,7 +1,7 @@
 version=1.6
 
-# Set to the location where ProGuard's proguard.jar file can be found
-#proguard-jar=
+# Set to the location where ProGuard's proguard.jar file can be found.
+#proguard-jar=/usr/local/android-sdk/tools/proguard/proguard.jar
 
 # If you are building the J2ME client:
 #
@@ -28,7 +28,7 @@
 
 # Set this to the location where you installed the Android SDK.
 #android-home=C:\\Program Files\\android-sdk-windows
-#android-home=/usr/loca/android-sdk
+#android-home=/usr/local/android-sdk
 
 # Set this to the location of a Tomcat installation if you want to compile and run the zxing.org
 # web site and web application