One command per line

Change-Id: I35253ef04c307af85e07f0c4f9691ab0dcacc6fe
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/31384
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
diff --git a/README.md b/README.md
index 43fdab0..047a87c 100644
--- a/README.md
+++ b/README.md
@@ -28,7 +28,8 @@
 
 ```sh
 # Clone the repo as "tint"
-git clone https://dawn.googlesource.com/tint tint && cd tint
+git clone https://dawn.googlesource.com/tint tint
+cd tint
 
 # Bootstrap the gclient configuration
 cp standalone.gclient .gclient