Update _index.md (#63)

Author: sciabarracom

content/en/docs/installation/download/_index.md

@@ -37,7 +37,7 @@ Quick install in Windows with PowerShell
 Open a powershell. Then give these commands:
 
 ```powershell
-Set-ExecutionPolicy Bypass - Scope Process -Force
+Set-ExecutionPolicy Bypass -Scope Process -Force
 irm bit.ly/get-ops-exe | iex
 ```
 
@@ -60,4 +60,4 @@ tell you what to do.
 
 ### Where to find more details:
 
-For more details, please visit the Github page of [Openserverless Cli](https://github.com/apache/openserverless-cli)
+For more details, please visit the Github page of [Openserverless Cli](https://github.com/apache/openserverless-cli)