Update gathering-information-for-troubleshooting-sites.mdx (#17479)

* Update gathering-information-for-troubleshooting-sites.mdx

Updating instructions to be sure users use a Private Window to get better results (no cookies, plugins, etc)

* Fixed typo

---------

Co-authored-by: Denise Peña <[email protected]>

Author: cf-scott

src/content/docs/support/troubleshooting/general-troubleshooting/gathering-information-for-troubleshooting-sites.mdx

@@ -18,7 +18,7 @@ customers due to security and liability concerns.
 
 ## Generate a HAR file
 
-A HTTP Archive (HAR) records all web browser requests including the request and response headers, the body content, and the page load time.
+A HTTP Archive (HAR) records all web browser requests including the request and response headers, the body content, and the page load time. Be sure to use Incognito Mode or a Private Browsing window.
 
 :::caution
 
@@ -33,7 +33,7 @@ Some browsers either require a browser extension or cannot generate a HAR. When
 
 ### In Chrome
 
-1. In a browser page, right-click anywhere and select **Inspect Element**.
+1. In a browser page viewed in Incognito Mode, right-click anywhere and select **Inspect Element**.
 
 2. The developer tools either appear at the bottom or left side of the browser. Click the **Network** tab.
 
@@ -53,23 +53,23 @@ Some browsers either require a browser extension or cannot generate a HAR. When
 
 ### In Firefox
 
-1. From the application menu, select **Tools** > **Web Developer** > **Network** or press *Ctrl+Shift+I* (Windows/Linux) or *Cmd+Option+I* (OS X).
+1. While using a Private Window, use the application menu and  select **Tools** > **Web Developer** > **Network** or press *Ctrl+Shift+I* (Windows/Linux) or *Cmd+Option+I* (OS X).
 
 2. Browse to the URL that causes issues.
 
 3. After duplicating the issue, right-click and choose **Save All As HAR**.
 
 ### In Microsoft Edge
 
-1. Navigate to **Developer tools** (use *F12* as a shortcut) and select the **Network** tab.
+1. In a Private window, navigate to **Developer tools** (use *F12* as a shortcut) and select the **Network** tab.
 
 2. Browse to the URL that causes issues.
 
 3. After duplicating the issue, click on **Export as HAR** followed by **Save As...**.
 
 ### In Safari
 
-1. In Safari, ensure a **Develop** menu appears at the top of the browser window. Otherwise, go to **Safari** > **Preferences** > **Advanced** and select **Show Develop Menu in menu bar**
+1. In Safari, ensure a **Develop** menu appears at the top of a Private Window in the browser window. Otherwise, go to **Safari** > **Preferences** > **Advanced** and select **Show Develop Menu in menu bar**
 
 2. Navigate to **Develop** > **Show Web Inspector**.