fix typo in comments

[nalxnet]

I stubled across these typos/errors while reading the documentation: https://go-rel.github.io/reference/where/

Possibly needs to be fixed in other places, depending on how the docs are created.

[codecov]

Codecov Report

Merging #248 (6da97fb) into master (05de4f0) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##            master      #248   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           56        56           
  Lines         3969      3969           
=========================================
  Hits          3969      3969           

Impacted Files	Coverage Δ
filter_query.go	100.00% <ø> (ø)

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[Fs02]

Possibly needs to be fixed in other places, depending on how the docs are created.

related docs in website is auto generated in this repo: https://github.com/go-rel/doc
this fix should be enough

[Fs02]

Thanks 👍 👍