misc: fix spelling

[jbampton]

• What kind of change does this PR introduce? (Bug fix, feature, docs update, ...)

Fixes some spelling

• Why was this change needed? (You can also link to an open issue here)

To standardize the docs and spelling.

• Other information:

[vercel]

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Name	Status	Preview	Comments	Updated (UTC)
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[codecov]

Codecov Report

Merging #390 (034d73a) into main (1cca46c) will not change coverage.
Report is 4 commits behind head on main.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #390   +/-   ##
=======================================
  Coverage   16.01%   16.01%           
=======================================
  Files          59       59           
  Lines        2667     2667           
=======================================
  Hits          427      427           
  Misses       2240     2240           

Files	Coverage Δ
application/vectorstore/elasticsearch.py	14.89% <ø> (ø)

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