compilation.md

@@ -45,17 +45,15 @@ But the one provided shoud be up-to-date
 Our policy is to not mess with default system paths. So instead we advise to
 use a environment variable to add to python the path to our build directory.
 In general adding the following lines to your *.bashrc* (Linux) or *.profile* (MacOS)
-file does the trick. Of course you have to replace *mybuildpath* by the path to
-your own building directory (in the example above `~/Desktop/LMGC90/lmgc90_user/build`).
-Basically it is what returns the command *pwd* when ran in the same directory you
-ran the commands *cmake* and *make*.
-
+file does the trick. Of course you have to replace *mysourcepath* by the path to
+your own `lmgc90_user` directory (in the example above `~/Desktop/LMGC90/lmgc90_user/`).
 ```shell
 if [ -z ${PYTHONPATH} ]; then
-  export PYTHONPATH=mybuildpath
+  export PYTHONPATH=mysourcepath/build
 else
-  export PYTHONPATH=${PYTHONPATH}:mybuildpath
+  export PYTHONPATH=${PYTHONPATH}:mysourcepath/build
 fi
+export PATH=${PATH}:mysourcepath/src/addons
 ```
 
 ## <a name=precompiled> Windows </a> ##