fix wording of auth code message

[synfinatic]

No description provided.

[codecov]

Codecov Report

Merging #579 (9f5af30) into main (7978229) will increase coverage by 0.01%.
The diff coverage is 100.00%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #579      +/-   ##
==========================================
+ Coverage   82.35%   82.35%   +0.01%     
==========================================
  Files          35       35              
  Lines        3240     3241       +1     
==========================================
+ Hits         2668     2669       +1     
  Misses        502      502              
  Partials       70       70              

Files	Coverage Δ
sso/awssso_auth.go	85.58% <100.00%> (+0.07%)	⬆️

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