diff --git a/doc/docs/Installation.md b/doc/docs/Installation.md
index 2cae0e504..54449fdc2 100644
--- a/doc/docs/Installation.md
+++ b/doc/docs/Installation.md
@@ -147,9 +147,13 @@ The first steps are:
 
 ```sh
 brew doctor
-brew install homebrew/science/hdf5 homebrew/science/openblas guile fftw h5utils
+brew install hdf5 
+brew install openblas 
+brew install guile
+brew install fftw
 ```
 
+
 Now, install the Harminv, libctl, MPB, and Meep packages from source. Download [Harminv](https://github.com/NanoComp/harminv/blob/master/README.md) and, in the `harminv` directory, do:
 
 ```sh
@@ -158,6 +162,8 @@ Now, install the Harminv, libctl, MPB, and Meep packages from source. Download [
 
 Use the same commands for [libctl](https://libctl.readthedocs.io), [MPB](https://mpb.readthedocs.io), and Meep. For more detailed information, see [Build From Source](Build_From_Source.md).
 
+Download and install H5utilds: https://github.com/NanoComp/h5utils/blob/master/README.md
+
 You are done, and can now run Meep (Scheme interface) just by typing `meep`. You can run `make check` in the meep directory if you want to perform a self-test.
 
 To build the latest version of Meep from source on macOS Sierra, follow these [instructions](https://www.mail-archive.com/meep-discuss@ab-initio.mit.edu/msg05811.html).