update example

docs/build/reference/experimental-log.md

@@ -12,12 +12,15 @@ Output [SARIF](https://sarifweb.azurewebsites.net/) diagnostics to the specified
 ## Syntax
 
 > **`/experimental:log`** *filename*
+> **`/experimental:log`** *directoryname\*
 
 ## Arguments
 
 *filename*
 
-Where to output SARIF diagnostics. The `.sarif` suffix is added to *filename* to produce the final filename at which to store the resulting SARIF diagnostics. The space between `/experimental:log` and *filename* is optional. Paths that include spaces must be enclosed in double quotes. *filename* may name a relative or absolute path.
+Specifies the output path for SARIF diagnostics. The compiler automatically adds the `.sarif` extension to *filename*. The space between `/experimental:log` and *filename* is optional. Use double quotes around paths containing spaces. Both relative and absolute paths are supported.
+
+Specify a directory name (for example, `/experimental:log sarif_output\`) to output SARIF files for each source file to that directory, using the source file name as the base name for each SARIF file.
 
 ## Remarks
 
@@ -28,19 +31,16 @@ Diagnostics are also output as text to the console as usual.
 ### To set this compiler option in the Visual Studio development environment
 
 1. Open the project's **Property Pages** dialog box. For details, see [Set C++ compiler and build properties in Visual Studio](../working-with-project-properties.md).
-
 1. Select the specific project **Configuration** and **Platform** for which you want to change the property. You can also choose **"All Configurations"** and **"All Platforms"**.
-
 1. Select the **Configuration Properties** > **C/C++** > **Command Line** property page.
-
 1. Modify the **Additional Options** property, and then choose **OK**.
 
 ## Example
 
-The following command produces SARIF information for the entire compilation in the `diags.sarif` file in the current directory:
+The following command produces SARIF information for the entire compilation and saves it in the `sarif_output` directory in the files `main.sarif` and `other.sarif`:
 
 ```cmd
-CL /experimental:logdiags main.cpp other.cpp
+CL /experimental:log sarif_output\ main.cpp other.cpp
 ```
 
 ## See also