Fix some typos

[hieblmi]

[codecov[bot]]

Codecov Report

Base: 32.70% // Head: 33.02% // Increases project coverage by +0.32% :tada:

Coverage data is based on head (fdcc173) compared to base (36f43f7). Patch has no changes to coverable lines.

Additional details and impacted files

@@            Coverage Diff             @@
##             main       #9      +/-   ##
==========================================
+ Coverage   32.70%   33.02%   +0.32%     
==========================================
  Files          14       14              
  Lines        1743     1726      -17     
==========================================
  Hits          570      570              
+ Misses       1173     1156      -17     

Impacted Files	Coverage Δ
src/main.rs	0.47% <0.00%> (-0.01%)	:arrow_down:
src/lib.rs	10.63% <0.00%> (+0.55%)	:arrow_up:
src/protocol/subscription.rs	88.40% <0.00%> (+0.63%)	:arrow_up:
src/error.rs	9.43% <0.00%> (+0.66%)	:arrow_up:

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