Add missing -r flag to pip install.

Jerjou Cheng · Jerjou Cheng · commit 29a02cd90f92 · 2016-04-28T13:55:36.000-07:00
Fixes GoogleCloudPlatform#284
diff --git a/speech/api/README.md b/speech/api/README.md
@@ -43,13 +43,13 @@ for more information.
 * If you're running the `speech_rest.py` sample:
 
     ```sh
-    $ pip install requirements-speech_rest.txt
+    $ pip install -r requirements-speech_rest.txt
     ```
 
 * If you're running the `speech_streaming.py` sample:
 
     ```sh
-    $ pip install requirements-speech_streaming.txt
+    $ pip install -r requirements-speech_streaming.txt
     ```
 
 ## Run the example
