Fix a few typos in the reflect package

Author: mcristina422

staging/src/k8s.io/apimachinery/third_party/forked/golang/reflect/deep_equal.go

@@ -16,7 +16,7 @@ import (
 // that type.
 type Equalities map[reflect.Type]reflect.Value
 
-// For convenience, panics on errrors
+// For convenience, panics on errors
 func EqualitiesOrDie(funcs ...interface{}) Equalities {
 	e := Equalities{}
 	if err := e.AddFuncs(funcs...); err != nil {
@@ -229,7 +229,7 @@ func (e Equalities) deepValueEqual(v1, v2 reflect.Value, visited map[visit]bool,
 //
 // An empty slice *is* equal to a nil slice for our purposes; same for maps.
 //
-// Unexported field members cannot be compared and will cause an imformative panic; you must add an Equality
+// Unexported field members cannot be compared and will cause an informative panic; you must add an Equality
 // function for these types.
 func (e Equalities) DeepEqual(a1, a2 interface{}) bool {
 	if a1 == nil || a2 == nil {

staging/src/k8s.io/apimachinery/third_party/forked/golang/reflect/deep_equal_test.go

@@ -72,7 +72,7 @@ func TestEqualities(t *testing.T) {
 	}
 }
 
-func TestDerivates(t *testing.T) {
+func TestDerivatives(t *testing.T) {
 	e := Equalities{}
 	type Bar struct {
 		X int