[fuchsia][webengine] Fix typo in WebEngine Shell docs

Change-Id: If08ef30bb4ecef3180c1ec32d5bf91d8bd43275e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4261925
Commit-Queue: Greg Thompson <grt@chromium.org>
Auto-Submit: David Song <wintermelons@google.com>
Reviewed-by: Greg Thompson <grt@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1107348}

fuchsia_web/shell/README.md

@@ -17,7 +17,7 @@ $ ffx test run fuchsia-pkg://fuchsia.com/web_engine_shell#meta/web_engine_shell.
 
 Local files can be deployed with the WebEngine Shell and accessed via the
 URL `fuchsia-dir://data/PATH/TO/FILE`. Files may be added to the directory
-by placing them under the path `//fuchsia_web/webengine/data`.
+by placing them under the path `//fuchsia_web/shell/data`.
 
 Here is an example command line which loads a local file:
 ```