Fix typos in changelog and test comments

CHANGES.md

@@ -59,6 +59,6 @@
 
 * Fixed issue #12: Arrays are not properly compared (@samlitowitz)
 
-## v1.0.0 releaesd 2017-10-27 
+## v1.0.0 released 2017-10-27
 
 * First release

deep.go

@@ -380,10 +380,10 @@ func (c *cmp) equals(a, b reflect.Value, level int) {
 
 		if c.flag[FLAG_IGNORE_SLICE_ORDER] {
 			// Compare slices by value and value count; ignore order.
-			// Value equality is impliclity established by the maps:
+			// Value equality is implicitly established by the maps:
 			// any value v1 will hash to the same map value if it's equal
-			// to another value v2. Then equality is determiend by value
-			// count: presuming v1==v2, then the slics are equal if there
+			// to another value v2. Then equality is determined by value
+			// count: presuming v1==v2, then the slices are equal if there
 			// are equal numbers of v1 in each slice.
 			am := map[interface{}]int{}
 			for i := 0; i < a.Len(); i++ {

deep_test.go

@@ -140,7 +140,7 @@ func TestTypeMismatch(t *testing.T) {
 		t.Error("wrong diff:", diff[0])
 	}
 
-	// Same pkg name but differnet full paths
+	// Same pkg name but different full paths
 	// https://github.com/go-test/deep/issues/39
 	err1 := v1.Error{}
 	err2 := v2.Error{}
@@ -1099,7 +1099,7 @@ func TestPointer(t *testing.T) {
 }
 
 func TestTime(t *testing.T) {
-	// In an interable kind (i.e. a struct)
+	// In an iterable kind (i.e. a struct)
 	type sTime struct {
 		T time.Time
 	}
@@ -1566,7 +1566,7 @@ func TestSliceOrderStruct(t *testing.T) {
 	// https://github.com/go-test/deep/issues/28
 	// This is NOT supported but Go is so wonderful that it just happens to work.
 	// But again: not supported. So if this test starts to fail or be a problem,
-	// it can and should be removed becuase the docs say it's not supported.
+	// it can and should be removed because the docs say it's not supported.
 	type T struct{ i int }
 	a := []T{
 		{i: 1},