Update README.md

Will Alexander · Will Alexander · commit e9b916b86c46 · 2015-11-16T01:35:05.000Z
diff --git a/README.md b/README.md
@@ -22,7 +22,7 @@ Building
 Usage
 -----
 
-    hostsblock [LIST]
+    hostsblock list
 
 If the list argument is `-`, hostsblock will read from stdin. For example,
 
