diff --git a/Installation-instructions.md b/Installation-instructions.md
index 09b9b2a..5b29d5e 100644
--- a/Installation-instructions.md
+++ b/Installation-instructions.md
@@ -4,15 +4,15 @@
 
 For example you can type `./configure config/gfortran.cfg --production`
 
-This command have to purpose :
+This command will :
 
  - Download and install all the requirements.
    Installing OCaml and the Core library may take some time (up to 20min on an old machine).
- - And create the file which contains all the tree dependencies for the binaries.  
+ - Create the file which contains all the dependencies for the binaries.
    It's not a Makefile, but a Ninja file (so don't type `make` is hopeless, type `ninja` instead)
 
-By default, the Ocaml compiler will be installed in ``$HOME/.opam``. 
-For more info about the Ocaml installation, check the Opam website :
+By default, the OCaml compiler and libraries will be installed in ``$HOME/.opam``. 
+For more info about the OCaml installation, check the Opam website :
 https://opam.ocaml.org/doc/Install.html
 
 ####Compilation Flags (`<config_file>`)