diff --git a/Docs/VoiceControl.md b/Docs/VoiceControl.md
index 1cf9ecca..57ecef9d 100644
--- a/Docs/VoiceControl.md
+++ b/Docs/VoiceControl.md
@@ -4,7 +4,7 @@ Executing PowerShell Scripts by Voice
 
 Installation
 ------------
-1. Download and install *Serenade* from https://serenade.ai/.
+1. Download and install *Serenade* from https://serenade.ai/ (Serenade is freely available for Linux, MacOS, and Windows).
 2. Download and install the *PowerShell Scripts*, then set the search path to it.
 3. Execute: `./export-to-serenade.ps1 Computer` in the *PowerShell Scripts* - this creates a custom JavaScript file using the wake word 'Computer' (at `$HOME/.serenade/scripts/PowerShell.js`). Recommended wake words with a high recognition rate are: "Alexa", "Computer", "KITT", or "Windows". In the following we are using the wake word "Computer".