docs(tracing): Fix example code

[dyladan]

Current doc tracing example will not compile or work

[codecov]

Codecov Report

Merging #116 (d6a16b4) into main (f7ef997) will not change coverage.
The diff coverage is n/a.

❗ Current head d6a16b4 differs from pull request most recent head 91a676a. Consider uploading reports for the commit 91a676a to get more accurate results

@@           Coverage Diff           @@
##             main     #116   +/-   ##
=======================================
  Coverage   95.08%   95.08%           
=======================================
  Files          41       41           
  Lines         570      570           
  Branches       90       90           
=======================================
  Hits          542      542           
  Misses         28       28           

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