Update README.md

Author: yushulx

README.md

@@ -5,7 +5,7 @@ Version 8.0
 ## Requirements
 - [Visual Studio](https://www.visualstudio.com/downloads/)
 - [CMake](https://cmake.org/download/)
-- [Dynamsoft Barcode Reader v8.0](https://www.dynamsoft.com/barcode-reader/downloads) (Windows x86/x64, Linux x64, macOS x64 and Raspberry Pi ARMv7)
+- [Dynamsoft Barcode Reader v8.0 C/C++ Package](https://www.dynamsoft.com/barcode-reader/downloads) (Windows x86/x64, Linux x64, macOS x64 and Raspberry Pi ARMv7)
 
 ## License
 Get a [trial license](https://www.dynamsoft.com/customer/license/trialLicense) and set the license key in `BarcodeReader.cxx`:
@@ -60,7 +60,7 @@ https://www.dynamsoft.com/Company/Contact.aspx
     ./BarcodeReader [image-file] [optional: license-file] [optional: template-file]
     ```
 
-## macOS
+## macOS (contact support@dynamsoft.com to get the library file)
 1. Install **CMake**:
     ```bash
     brew install cmake