compilation.md

@@ -27,8 +27,8 @@ make
 It is really important that the compilation process get access to the python version
 that the user want to use with lmgc90. As such, it possible to specify the absolute path
 to the python executable. For an example, to use python3 on ubuntu 18,
-one must run the next line by replacing `[absolute path to python]` by `/usr/bin/python3`.
-Whereas a macos user will use `/opt/local/bin/python`.
+one must run the next line by replacing `[absolute path to python]` by `/usr/bin/python3` (
+whereas a macos user will use `/opt/local/bin/python`).
 ```shell
 cd build
 cmake .. -DPYTHON_EXECUTABLE=[absolute path to python]