Enhance CLI section: minor edits for clarity

Author: SableRaf

content/pages/environment/index.mdx

@@ -568,7 +568,9 @@ The [Export information and Tips](https://github.com/processing/processing/wiki/
 
 ## Command Line Interface (CLI) 
 
-Run sketches from the terminal using Processing's Command Line Interface (CLI).    
+Processing includes a Command Line Interface (CLI) to run sketches from the terminal. This is helpful for automation, testing, and headless setups.
+
+Make sure Processing is installed, then run the help command to see all available options and examples.
 
 *Windows (PowerShell)*
 ```
@@ -586,4 +588,4 @@ cd /Applications/Processing.app/Contents/MacOS
 ./Processing --help
 ```
 
-_**Note:** On macOS, the executable lives inside the `.app` bundle, so that's why there is a command to navigate to it's folder first. On Windows and Linux, Processing is typically added to your PATH by default, so no navigation is needed. _
+_**Note:** On macOS, the executable lives inside the `.app` bundle, so that's why there is a command to navigate to it's folder first. On Windows and Linux, Processing is typically added to your PATH by default, so no navigation is needed._