fix: fix typo

Author: shadowusr

docs/guides/time-travel.mdx

@@ -8,7 +8,7 @@ import Admonition from "@theme/Admonition";
 
 The Time Travel mode is a new Testplane UI tool that allows you to observe test execution in real-time, as well as record and replay the test's progress.
 
--   Time Travel records snapshots of the DOM tree—not screenshots or videos, but the actual DOM structure
+-   Time Travel records snapshots of the DOM tree, not screenshots or videos, but the actual DOM structure
 -   The average snapshot size is about 200KB thanks to compression and an incremental recording algorithm
 -   The entire functionality is available both within the GUI and in a static report generated from any CI