Update build-osx.md
updated to upstream bitcoin build notes
-Mac OS X Build Instructions and Notes
+macOS Build Instructions and Notes
====================================
The commands in this guide should be executed in a Terminal application.
The built-in one is located in `/Applications/Utilities/Terminal.app`.
Preparation
-----------
-Install the OS X command line tools:
+Install the macOS command line tools:
`xcode-select --install`
@@ -16,7 +16,7 @@ Then install [Homebrew](https://brew.sh).
Dependencies
----------------------
- brew install automake berkeley-db4 libtool boost --c++11 miniupnpc openssl pkg-config protobuf python3 qt libevent
+ brew install automake berkeley-db4 libtool boost miniupnpc openssl pkg-config protobuf python qt libevent qrencode
See [dependencies.md](dependencies.md) for a complete overview.
