"overwritten" is one word
Fixed small typos
more typos in guides
Undo bad change in cf0931166be13dbbe660

I didn't know that this was about RDoc!
fix introduced `:` ; fix another typo
Update documentation for Where chained modifiers.

where.like and where.not_like were removed in 8d02afeaee, but the
guide was not updated.
rails commands even if bin/rails is a gem stub
Added link to Turbolinks Railscast
Using American English spellings over British style spellings
Remove duplicated accepts_nested_attributes description

there are just the same description about accepts_nested_attributes [ci skip]
failure to parse params should trigger a 400 Bad Request
fix the initializer block example and clarify

clarify that the contents of the block is expected to return a string. the previous example executed puts and the initializer got nothing.

also, made it consistent with the single-line example to be more clear as to what's going on
Fix typo
[ci skip]
Add minitest-spec-rails to guide's testing options
Fixed typo : contraints -> constraints
Changed 'args' to 'arguments' when used in places other than code with fixing few more typos
Reverted code change introduced in d45145acdc576e46a1f1719d69bec96b5bf07b0a
Reverted change in activemodel/CHANGELOG.md introduced by d45145acdc576e46a1f1719d69bec96b5bf07b0a
Typo: Migration class name would use plural
s/app\/model\//app\/models\//g