diff --git a/README.md b/README.md
index 235baf6..08b5108 100644
--- a/README.md
+++ b/README.md
@@ -43,7 +43,21 @@ It sends ICMP packet(s) and waits for a response. If it receives a response,
 it calls the "receive" callback. When it's finished, it calls the "finish"
 callback.
 
-For a full ping example, see "cmd/ping/ping.go".
+For a full ping example, see
+[cmd/ping/ping.go"](https://github.com/sparrc/go-ping/blob/master/cmd/ping/ping.go)
+
+## Installation:
+
+```
+go get github.com/sparrc/go-ping
+```
+
+To install the native Go ping executable:
+
+```bash
+go get github.com/sparrc/go-ping/...
+$GOPATH/bin/ping
+```
 
 ## Note on Linux Support:
 
diff --git a/cmd/ping/ping.go b/cmd/ping/ping.go
index a26c044..77d6c23 100644
--- a/cmd/ping/ping.go
+++ b/cmd/ping/ping.go
@@ -11,7 +11,7 @@ import (
 var usage = `
 Usage:
 
-    ping [-c count] [-i interval] [-t timeout] host
+    ping [-c count] [-i interval] [-t timeout] [--privileged] host
 
 Examples:
 
@@ -26,6 +26,9 @@ Examples:
 
     # ping google for 10 seconds
     ping -t 10s www.google.com
+
+    # Send a privileged raw ICMP ping
+    sudo ping --privileged www.google.com
 `
 
 func main() {