README: some rewording

README.md

@@ -21,7 +21,7 @@ pip install git+https://git.ligo.org/patrick.godwin/ezdag.git
 
 ## Features
 
-This library provides a high-level API on top of `htcondor.dags`. Specifically, it adds two specific features:
+This library provides a high-level API on top of `htcondor.dags`. Specifically, it adds two features:
 
 1. Programmatic way of generating command line arguments
 2. Track job dependencies automatically through file inputs and outputs
@@ -37,8 +37,8 @@ An example of both these features can be seen in the quickstart below.
 
 ## Quickstart
 
-The example below creates a simple DAG with two layers; 3 jobs which all produce output that gets
-combined by a single child job:
+The example below creates a simple DAG with two layers; a layer with 3 jobs which all produce output, and
+a second layer with a single job, combining output from the other jobs:
 
 ```python
 from ezdag import Argument, DAG, Option, Layer, Node