fix: Error: Cowardly refusing to

lytsing · lytsing · commit 42c4e0b18441 · 2014-11-23T02:29:18.000+08:00
diff --git a/README.md b/README.md
@@ -34,7 +34,7 @@ sudo apt-get install -y wget curl gcc libxml2-dev libxslt-dev libcurl4-openssl-d
 b) MacOSX (make sure you have [homebrew](http://brew.sh/) installed)
 
 ```bash
-sudo brew install icu4c
+brew install icu4c
 ```
 
 Install Ruby from source:
