Apply review feedback re: CLI

Author: natikgadzhi

README.md

@@ -147,9 +147,9 @@ log in Xcode's report navigator and expanding the "Compile documentation" step.
 
 ### Invoking `docc` from Swift Package Manager
 
-You can also test a locally built version of Swift-DocC using Swift Package Manager
-CLI. The Swift-DocC SwiftPM plugin will try to read `DOCC_EXEC` environment variable value, and use
-the path you provded if it's set.
+You can also test a locally built version of Swift-DocC using the Swift Package
+Manager from the command line. The Swift-DocC SwiftPM plugin will try to read
+`DOCC_EXEC` environment variable value, and use the path you provded if it's set.
 
   1. In your project's `Package.swift`, add a dependency on the [`Swift-DocC Plugin`](https://github.com/apple/swift-docc-plugin).
   2. Set the `DOCC_EXEC` environment variable and run the documentation generation