Update pharo-installation.md

Author: bergel

docs/pages/pharo-installation.md

@@ -46,7 +46,7 @@ To verify python installed correctly just run `python3 --version` and you should
 
 ## Install Pipenv
 
-To install Pipenv just use the following Pip instruction `pip install pipenv`, though depending on your python installation you may need to call it with `sudo`. This may happen if you are using Ubuntu or the OSX Homebrew python installation. If the command `pip` is not found, use `pip3` instead. 
+To install Pipenv just use the following Pip instruction `pip install pipenv` or `pip3 install pipenv` in case you have `pip3` installed and not `pip`, though depending on your python installation you may need to call it with `sudo`. This may happen if you are using Ubuntu or the OSX Homebrew python installation. If the command `pip` is not found, use `pip3` instead. 
 
 To verify if you have pipenv just run in a terminal `pipenv --version`, it should print something like `pipenv, version 2018.11.26`. We strongly suggest you to upgrade your pipenv version if it is older than 2018.11.26, because it has important bugfixes and performance improvements. To upgrade it just run `pip install pipenv --upgrade`.