Update docs for DefaultChain

[waahm7]

Description of changes:

• The profile provider checks multiple providers.

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 80.88%. Comparing base (01dd06a) to head (3e75df8).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #266   +/-   ##
=======================================
  Coverage   80.88%   80.88%           
=======================================
  Files          33       33           
  Lines        6214     6214           
=======================================
  Hits         5026     5026           
  Misses       1188     1188           

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