clean up homebrew instructions some....

Assignments/ip2/ip2.md

@@ -26,7 +26,7 @@ The objectives of this assignment are to:
 Start by [downloading the starter code]({{site.baseurl}}{% link /Assignments/ip2/ip2-handout.zip %}). Extract the archive and run `npm install` to fetch the dependencies.  
 
 {: .note }
-**System-level dependencies:** The libraries used for React require some native binaries to be installed -- code written and compiled for your computer (not JavaScript). If you run into issues with `npm install` not succeeding, please try installing the following libraries using either [Homebrew (if on Mac)](https://brew.sh), apt-get, or your favorite other package manager: `pixman`, `cairo`, `pkgconfig` and `pango`. For example, run `brew install pixman cairo pkgconfig pango`. If you are on a newer Mac with an M1 or M2 chip, you may need to use `arch -arm64 brew install pixman cairo pango`. On Windows: Students have reported seeing the failure `error /bin/bash: node: command not found` upon `npm install` in the `frontend` directory. If you encounter this error, please try to delete the `node_modules` directory and re-run `npm install` in the `frontend` directory from a bash shell instead of a windows command prompt.
+**System-level dependencies:** The libraries used for React require some native binaries to be installed -- code written and compiled for your computer (not JavaScript). If you run into issues with `npm install` not succeeding, please try installing the following libraries using either [Homebrew (if on Mac)](https://brew.sh), apt-get, or your favorite other package manager: `pixman`, `cairo`, `pkgconfig` and `pango`. For example, on a Mac, after installing Homebrew, run `brew install pixman cairo pkgconfig pango`. **You should not continue with the installation until this succeeds.** On Windows: Students have reported seeing the failure `error /bin/bash: node: command not found` upon `npm install` in the `frontend` directory. If you encounter this error, please try to delete the `node_modules` directory and re-run `npm install` in the `frontend` directory from a bash shell instead of a windows command prompt.
 
 {: .warning }
 **Node 16 vs 18**