Fixed small typos
fix sentence [ci skip]
Merge pull request #9811 from neerajdotname/fix-secret-token-sentence

fix sentence [ci skip]
more typos in guides
Undo bad change in cf0931166be13dbbe660

I didn't know that this was about RDoc!
fix introduced `:` ; fix another typo
Calling find() on an association with an inverse will now check to see
if the association already holds that record in memory before checking
the database for the specified ids.
Merge pull request #9807 from vipulnsward/remove_unused_payloads

remove unused payloads in blocks in caching instrumentation
Merge pull request #9529 from wangjohn/find_on_inverse_of_bugfix_9470

Find() on an association with an inverse will now scan existing in-memory records
Update documentation for Where chained modifiers.

where.like and where.not_like were removed in 8d02afeaee, but the
guide was not updated.
Fix guides error on error class name

The error that's raised in case the required key is missing it's actually `ActionController::ParameterMissing` not `ActionController::MissingParameter`. It's important to fix so that people reading the guides knows what error to rescue from when needed.
Merge pull request #9816 from sebasoga/strong_parameters_guide_fix

Fix guides error on error class name
Remove mentions of "app" from http request docs [ci skip]
Merge pull request #9794 from schneems/schneems/email-host

Fix improperly configured host in generated urls
Changed the call to .sort.last to .max when computing the migration version. You
do not actually need to sort everything (incurs more cost than just a
simple max).
Commas aren't comas.

Type a fixo.
Merge pull request #9817 from knewter/fix-test-case-name-typo-in-ar

Commas aren't comas.
Merge pull request #9818 from wangjohn/sort_last_to_max_in_migration_version

Changed the call to .sort.last to .max when computing the migration version
Raise an ArgumentError when a clashing named route is defined
Fix some typos in AR- CHANGELOG, tests, method doc. fixed