Update migrating-from-mongodb.md

[hetz]

Description

fix typo

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[AlekSi]

Please click the button in the comment above to sign our CLA. Please also update website/docs/migration/migrating-from-mongodb.md.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 74.15%. Comparing base (1805131) to head (63e4d12).
Report is 6 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4274      +/-   ##
==========================================
- Coverage   75.30%   74.15%   -1.16%     
==========================================
  Files         323      323              
  Lines       22407    22407              
==========================================
- Hits        16873    16615     -258     
- Misses       4310     4579     +269     
+ Partials     1224     1213      -11     

see 30 files with indirect coverage changes

Flag	Coverage Δ
filter-false	?
filter-true	67.20% <ø> (-1.49%)	⬇️
hana-1	?
integration	67.20% <ø> (-1.54%)	⬇️
mongodb-1	5.11% <ø> (ø)
mysql-1	?
mysql-2	?
mysql-3	?
postgresql-1	43.10% <ø> (-8.82%)	⬇️
postgresql-2	41.67% <ø> (-11.80%)	⬇️
postgresql-3	43.28% <ø> (-10.27%)	⬇️
postgresql-4	40.84% <ø> (-0.01%)	⬇️
postgresql-5	45.84% <ø> (-0.05%)	⬇️
sqlite-1	42.35% <ø> (-8.60%)	⬇️
sqlite-2	40.96% <ø> (-11.61%)	⬇️
sqlite-3	42.62% <ø> (-10.03%)	⬇️
sqlite-4	40.08% <ø> (ø)
sqlite-5	44.80% <ø> (-0.02%)	⬇️
unit	31.88% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

[AlekSi]

@hetz #4274 (review)