Update workflow-syntax-for-github-actions.md (github#213)

Fixes github#124

content/actions/reference/workflow-syntax-for-github-actions.md

@@ -595,11 +595,11 @@ You can override the default shell settings in the runner's operating system usi
 | Supported platform | `shell` parameter | Description | Command run internally |
 |--------------------|-------------------|-------------|------------------------|
 | All | `bash` | The default shell on non-Windows platforms with a fallback to `sh`. When specifying a bash shell on Windows, the bash shell included with Git for Windows is used. | `bash --noprofile --norc -eo pipefail {0}` |
-| All | `pwsh` | The PowerShell Core. {% data variables.product.prodname_dotcom %} appends the extension `.ps1` to your script name. | `pwsh -command "& '{0}'"` |
+| All | `pwsh` | The PowerShell Core. {% data variables.product.prodname_dotcom %} appends the extension `.ps1` to your script name. | `pwsh -command ". '{0}'"` |
 | All | `python` | Executes the python command. | `python {0}` |
 | Linux / macOS | `sh` | The fallback behavior for non-Windows platforms if no shell is provided and `bash` is not found in the path. | `sh -e {0}` |
 | Windows | `cmd` | {% data variables.product.prodname_dotcom %} appends the extension `.cmd` to your script name and substitutes for `{0}`. | `%ComSpec% /D /E:ON /V:OFF /S /C "CALL "{0}""`. |
-| Windows | `powershell` | This is the default shell used on Windows. The Desktop PowerShell. {% data variables.product.prodname_dotcom %} appends the extension `.ps1` to your script name. | `powershell -command "& '{0}'"`. |
+| Windows | `powershell` | This is the default shell used on Windows. The Desktop PowerShell. {% data variables.product.prodname_dotcom %} appends the extension `.ps1` to your script name. | `powershell -command ". '{0}'"`. |
 
 ##### Example running a script using bash