Update README.md (#3381)
add explicit paths to the flutter recipies
diff --git a/infra/README.md b/infra/README.md
index 1c17e40..eb14b88 100644
--- a/infra/README.md
+++ b/infra/README.md
@@ -43,7 +43,10 @@
Flutter has one recipe per repository. Currently
[flutter/flutter](https://chromium.googlesource.com/chromium/tools/build.git/+/master/scripts/slave/recipes/flutter/flutter.py)
and
-[flutter/engine](https://chromium.googlesource.com/chromium/tools/build.git/+/master/scripts/slave/recipes/flutter/engine.py).
+[flutter/engine](https://chromium.googlesource.com/chromium/tools/build.git/+/master/scripts/slave/recipes/flutter/engine.py):
+
+- build/scripts/slave/recipes/flutter/flutter.py
+- build/scripts/slave/recipes/flutter/engine.py
Recipes are just Python. They are
[documented](https://github.com/luci/recipes-py/blob/master/doc/user_guide.md)
