Update debug-theme.md

Made changes for magento standard doc format. as settings should not be bold as it is not clickable and refer to a group.

Author: denish-ktpl

src/guides/v2.3/frontend-dev-guide/themes/debug-theme.md

@@ -16,7 +16,7 @@ To locate the template that is responsible for a specific part of the [storefron
 
 To enable template hints:
 
-1. Click **Stores** > **Settings** > **Configuration** > ADVANCED > **Developer**.
+1. Click **Stores** > Settings > **Configuration** > ADVANCED > **Developer**.
 
 1. In the **Scope:** dropdown in the upper-left corner select the view for which you want the template hints.