Fix a few typos

[jdkato]

I ran Vale on the docs directory and found a few typos.

Just in case this is something you might be interested in using as an automated test, I've included the configuration details below.

---

swift/
├── .vale.ini
└── .github
    └── styles
        └── Vocab
            └── Base
                ├── accept.txt
                └── reject.txt

# .vale.ini

StylesPath = .github/styles
MinAlertLevel = suggestion

Vocab = Base

[*.md]
BasedOnStyles = Vale
Vale.Terms = NO

accept.txt

[lr]value
abc
abrahams
accessors?
addr
affordances
ag
alexey
alloc
allowlist
almeida
apinotes
approximator
args
arity
async
autoclosure
autograd
automerged
automerger
autotools
backdoors?
backedge
backpropagation
backronym
backtraces
balakrishnan
bilinearity
bitcode
bitfields?
bitness
bitstreams?
bitwise
blackbox
boolean
bougacha
breakpoint
builtins?
callee
callgraph
callsite
camelcased?
canonicalizable
canonicalization
canonicalized?
castable
centithread
checkins?
chrzaszcz
chu
ci
cmake
cmark
codepoints
commandline
compat
compnerd
composable
conal
conditionalize
config
conformances
confusability
const
contravariance
copyability
corelibs
coroutines?
cpp
cpu
creduce
cxx
dataflow
debuggable
debuginfo
decls
dedented
deinit
deinitialized
deinits
demangled
deps
dereference
deregister
deserialization
deserialized
destructable
destructors?
destructured
devirtualization
dia
dimitrios
dockerfiles?
dominators
dominik
doop
dotfile
dougal
downcase
downcasing
downcasts?
dsymutil
dylib
eg
emacs
enqueued
enums?
ephemerals
escapable
eval
existentials
expr
failable
fileprivate
finalizer
fixit
fixup
fn
formatters
fortran
frostig
fuzzer
gesiak
getters?
github
globals?
gogul
gottesman
graphviz
gregor
grewe
gribenko
groff
gugger
halfword
hardcoded
hashable
hashtable
haskins
hoc
hotspots?
https
ie
ies
iff
ight
impl
importability
ing
initializable
initializers?
inlinable
inlineability
inlineable
inlined
inlining
inout
instancetype
interop
intptr
intrinsics
introducer
isa
itanium
ith
ivars?
json
jth
keypaths?
kientzle
kita
kneejerk
lattner
ld
libc
libdispatch
libstdc
lldb
llvm
localizable
lookups?
maclaurin
makefiles?
manglings
matchers
mathematica
md
memcpy
metaclasses
metatypes?
microbenchmarks?
minimizers
miscompile
mixin
modulemap
monomorphization
msvc
mtimes
multigraph
multiline
multithreaded
mutex
namespaces?
nanobenchmarks
noescape
nondeprecated
nongeneric
nonnull
nop
nul
nullability
nullable
nullness
nullptr
numerics
objc
ol
onone
onwards
optimizability
optimizable
optionals
outsized
overridable
paranoidly
parens?
parseable
pch
perceptron
perf
performant
pessimize
pestov
pid
platanios
plist
plotkin
pluggable
pointee
pragmas
precedented
precompiled
prepended
prepends
preprocessor
priori
profilers?
pseudocode
pushforward
qol
qsort
radul
rasi
rdar
reabstracted
reabstraction
reachability
readnone
readonly
redeclaration
refcounts?
reimplement
relatedly
relocations
repo
rereferences?
riemannian
ripgrep
rpaths
runtimes?
saleem
sccache
se
shas
signedness
sil
sil
simard
skippable
slava
sourcekit
srijan
stderr
stdin
stdlib
stdout
storable
strawman
subclassable
subexpressions?
sublists?
subobjects?
subproblems?
subprocess
subprocesses
subprojects?
subranges?
substitutability
subtree
subtyping
superset
supertypes?
suyash
swiftc
swiftdeps
swiftdoc
swiftdoc
swiftinterface
swiftmodule
sylvain
symbolicate
tada
tapenade
tensorflow
tentpoles
testcases?
testsuites?
tgmath
timeframe
tokenization
toolable
toolchain
typealias
typechecker
typechecks?
typedefs?
un
uncareful
unicode
unittests?
unoptimized
unreferenced?
unregisters
unsafety
unscanned
unsubstituted
unsynchronized
untar
upstreamed
urlis
urls?
utils
variadic
viewcfg
vimrc
virtualize
vtables?
vytiniotis
wasm
wellformedness
whitebox
whitepaper
widmann
widmann
worklist
writeback
xcode
xctest
yusuke
zeroable
zheng
zlib

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