diff --git a/OpenWRT/build.sh b/OpenWRT/build.sh
index 8a45e25..e349161 100755
--- a/OpenWRT/build.sh
+++ b/OpenWRT/build.sh
@@ -2,11 +2,10 @@
 
 PACKAGE=cronosagent
 
-PROJECT=$(pwd)/..
-OPENWRT=${HOME}/openwrt
+PROJECT=$(readlink -f $0 | xargs dirname)/..
+OPENWRT=$HOME/openwrt
 
-test -d $OPENWRT/package/$PACKAGE
-if [ "$?" -eq "0" ]
+if [ -d $OPENWRT/package/$PACKAGE ]
 then
   # Remove existing package in buildroot
   rm -rf $OPENWRT/package/$PACKAGE
@@ -29,7 +28,7 @@ if [ "$?" -ne "0" ]
 then
   # Give user to choose package $PACKAGE
   make menuconfig
-  make
+  make -j 4
 fi
 
 # Build package
diff --git a/OpenWRT/readme.txt b/OpenWRT/readme.txt
deleted file mode 100644
index 17797da..0000000
--- a/OpenWRT/readme.txt
+++ /dev/null
@@ -1,8 +0,0 @@
-/usr/lib/lua/luci/controller/cronosagent.lua
-/usr/lib/lua/luci/model/cbi/cronosagent/configure.lua
-/etc/config/cronosagent
-/etc/init.d/cronosagent
-
-Copy OpenWRT/package/Makefile -> ~/openwrt/packages/cronosagent/Makefile
-Copy * -> ~/openwrt/packages/cronosagent/source/*
-Remove ~/openwrt/packages/cronosagent/source/OpenWRT/package/Makefile
\ No newline at end of file