diff --git a/d2common/d2fileformats/d2animdata/animdata.go b/d2common/d2fileformats/d2animdata/animdata.go
index 3129b5ac..07e05cd1 100644
--- a/d2common/d2fileformats/d2animdata/animdata.go
+++ b/d2common/d2fileformats/d2animdata/animdata.go
@@ -92,6 +92,7 @@ func (ad *AnimationData) DeleteRecord(name string, recordIdx int) error {
 	return nil
 }
 
+// AddEntry adds a new animation entry with name given
 func (ad *AnimationData) AddEntry(name string) error {
 	_, found := ad.entries[name]
 	if found {
@@ -103,6 +104,7 @@ func (ad *AnimationData) AddEntry(name string) error {
 	return nil
 }
 
+// DeleteEntry deltees entry with specified name
 func (ad *AnimationData) DeleteEntry(name string) error {
 	_, found := ad.entries[name]
 	if !found {
diff --git a/d2common/d2fileformats/d2animdata/animdata_test.go b/d2common/d2fileformats/d2animdata/animdata_test.go
index 08ed60d0..8d1b2061 100644
--- a/d2common/d2fileformats/d2animdata/animdata_test.go
+++ b/d2common/d2fileformats/d2animdata/animdata_test.go
@@ -262,7 +262,10 @@ func TestAnimationData_AddEntry(t *testing.T) {
 		entries: make(map[string][]*AnimationDataRecord),
 	}
 
-	ad.AddEntry("a")
+	err := ad.AddEntry("a")
+	if err != nil {
+		t.Error(err)
+	}
 
 	if _, found := ad.entries["a"]; !found {
 		t.Fatal("entry wasn't added")
@@ -276,7 +279,10 @@ func TestAnimationData_DeleteEntry(t *testing.T) {
 		},
 	}
 
-	ad.DeleteEntry("a")
+	err := ad.DeleteEntry("a")
+	if err != nil {
+		t.Error(err)
+	}
 
 	if _, found := ad.entries["a"]; found {
 		t.Fatal("Entry wasn't deleted")