diff --git a/tools/install-powershell.ps1 b/tools/install-powershell.ps1
index 8a69fb7e65..d614d512d6 100644
--- a/tools/install-powershell.ps1
+++ b/tools/install-powershell.ps1
@@ -1,6 +1,6 @@
 <#
 .Synopsis
-    Install PowerShell Core on Windows.
+    Install PowerShell Core on Windows, Linux or macOS.
 .DESCRIPTION
     By default, the latest PowerShell Core release package will be installed.
     If '-Daily' is specified, then the latest PowerShell Core daily package will be installed.