diff --git a/README.md b/README.md
index fcf0710..90a5616 100644
--- a/README.md
+++ b/README.md
@@ -51,11 +51,11 @@ make
 make install
 
 cd ..
-git clone https://git.kongjian.xin/FGFS-4.0/flightgear.git
+git clone https://git-x.kongjian.xin/FGFS-4.1/flightgear.git
 
 mkdir fgbuild
 cd fgbuild
-cmake ../flightgear -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=$PWD/../install -DFG_DATA_DIR=/Users/zhongjin/FGFS/fgdata
+cmake ../flightgear -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=$PWD/../install -DFG_DATA_DIR=$PWD/../fgdata
 make
 make install