README.md in koma-0.7.3 vs README.md in koma-0.8.0

@@ -30,11 +30,11 @@
 $ koma ssh example.com
 ```
 
 And get stdout like [this](stdout_sample.json).
 
-### Gather multi host 
+### Gather multiple hosts
 
 ```sh
 $ koma ssh example.com,example.jp
 {
   "example.com": {
@@ -42,9 +42,15 @@
   },
   "example.jp": {
     ...
   }
 }
+```
+
+### Pro Tip: Gather multiple hosts with ~/.ssh/config
+
+```sh
+$ cat ~/.ssh/config | koma ssh --key platform,platform_version
 ```
 
 ## Host inventory keys
 
 ```sh