Added a note about sudo and Windows Admin prompt

cbednarski · Feb 29, 2020 · 1e2456b · 1e2456b
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commit 1e2456b
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diff --git a/README.md b/README.md
@@ -28,6 +28,10 @@ from GitHub, or build from source (with a [recent version of Go](https://golang.
 
 Run `hostess` or `hostess -h` to see a full list of commands.
 
+**Note** The hosts file is protected. On unixes you will need to use `sudo` or
+run the `hostess` command as root. On Windows, you will need to run `hostess`
+from an elevated prompt (right click and _Run as administrator_).
+
 ## Format
 
 On unixes, hostess follows the format specified by `man hosts`, with one line