all: fix spelling mistakes

Signed-off-by: Josh Soref <2119212+jsoref@users.noreply.github.com>

types/key/disco.go

@@ -63,7 +63,7 @@ func (k DiscoPrivate) Public() DiscoPublic {
 	return ret
 }
 
-// Shared returns the DiscoShared for communication betweek k and p.
+// Shared returns the DiscoShared for communication between k and p.
 func (k DiscoPrivate) Shared(p DiscoPublic) DiscoShared {
 	if k.IsZero() || p.IsZero() {
 		panic("can't compute shared secret with zero keys")

types/logger/tokenbucket.go

@@ -21,7 +21,7 @@ import (
 // be enough to disqualify it on its own.
 //
 // Unlike rate.Limiter, this token bucket does not attempt to
-// do any locking of its own. Don't try to access it re-entrantly.
+// do any locking of its own. Don't try to access it reentrantly.
 // That's fine inside this types/logger package because we already have
 // locking at a higher level.
 type tokenBucket struct {

types/opt/bool.go

@@ -11,7 +11,7 @@ import (
 )
 
 // Bool represents an optional boolean to be JSON-encoded.  The string
-// is either "true", "false", or the enmpty string to mean unset.
+// is either "true", "false", or the empty string to mean unset.
 //
 // As a special case, the underlying string may also be the string
 // "unset" as as a synonym for the empty string. This lets the