Merge pull request #1 from samusz/samusz-patch-1

typo correction

macos.md

@@ -11,7 +11,7 @@
 1. Install Xcode if desired
 2. Install [Homebrew][homebrew], if not on the path after install (arm based Macs) create `~/.zshrc` 
 with `export PATH="/opt/homebrew/bin:$PATH"`. Will need to reload terminal or source the file to take 
-affect.
+effect.
 3. Install qt5 with `brew`. If you are using a version of macos without system python 3.6+ then you will 
 also need to install that via brew or with pyenv.
 
@@ -50,4 +50,4 @@ be installed to run unit tests: `pip install -r requirements-extra.txt`.
 
 [python]: http://www.python.org/
 [homebrew]: https://brew.sh/
-[xcode]: https://developer.apple.com/xcode/
+[xcode]: https://developer.apple.com/xcode/