fix subscribe docstring typo

[FarmerChillax]

Description

fix #882

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 86.96%. Comparing base (bffb749) to head (2224378).
⚠️ Report is 60 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #883      +/-   ##
==========================================
+ Coverage   86.63%   86.96%   +0.33%     
==========================================
  Files          84      103      +19     
  Lines        4473     6898    +2425     
==========================================
+ Hits         3875     5999    +2124     
- Misses        598      899     +301     

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[acroca]

Thank you for the correction!

[marcduiker]

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[holopin-bot]

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