Fix typos in resource.go. (#2201)

* Fix typos in resource.go.

* Add a line to CHANGELOG.md with an identifier for the relevant PR.

Co-authored-by: Anthony Mirabella <a9@aneurysm9.com>

CHANGELOG.md

@@ -44,6 +44,7 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
 - The `"go.opentelemetry.io/otel/attribute".Any` function now supports `int32` values. (#2169)
 - Multiple calls to `"go.opentelemetry.io/otel/sdk/metric/controller/basic".WithResource()` are handled correctly, and when no resources are provided `"go.opentelemetry.io/otel/sdk/resource".Default()` is used. (#2120)
 - The `WithoutTimestamps` option for the `go.opentelemetry.io/otel/exporters/stdout/stdouttrace` exporter causes the exporter to correctly ommit timestamps. (#2195)
+- Fixed typos in resources.go. (#2201)
 
 ### Security
 

sdk/resource/resource.go

@@ -135,7 +135,7 @@ func (r *Resource) SchemaURL() string {
 	return r.schemaURL
 }
 
-// Iter returns an interator of the Resource attributes.
+// Iter returns an iterator of the Resource attributes.
 // This is ideal to use if you do not want a copy of the attributes.
 func (r *Resource) Iter() attribute.Iterator {
 	if r == nil {
@@ -199,14 +199,14 @@ func Merge(a, b *Resource) (*Resource, error) {
 	return merged, nil
 }
 
-// Empty returns an instance of Resource with no attributes.  It is
+// Empty returns an instance of Resource with no attributes. It is
 // equivalent to a `nil` Resource.
 func Empty() *Resource {
 	return &emptyResource
 }
 
 // Default returns an instance of Resource with a default
-// "service.name" and OpenTelemetrySDK attributes
+// "service.name" and OpenTelemetrySDK attributes.
 func Default() *Resource {
 	return defaultResource
 }
@@ -223,13 +223,13 @@ func Environment() *Resource {
 }
 
 // Equivalent returns an object that can be compared for equality
-// between two resources.  This value is suitable for use as a key in
+// between two resources. This value is suitable for use as a key in
 // a map.
 func (r *Resource) Equivalent() attribute.Distinct {
 	return r.Set().Equivalent()
 }
 
-// Set returns the equivalent *attribute.Set of this resources attributes.
+// Set returns the equivalent *attribute.Set of this resource's attributes.
 func (r *Resource) Set() *attribute.Set {
 	if r == nil {
 		r = Empty()