diff --git a/algorithm/algorithm_test.go b/algorithm/algorithm_test.go
index dab1e61..e438308 100644
--- a/algorithm/algorithm_test.go
+++ b/algorithm/algorithm_test.go
@@ -7,8 +7,8 @@ import (
 )
 
 func TestCompressLZW(t *testing.T) {
-  str := CompressLZW("Australia")
-  expected := []int{65, 117, 115, 116, 114, 97, 108, 105, 97}
+	str := CompressLZW("Australia")
+	expected := []int{65, 117, 115, 116, 114, 97, 108, 105, 97}
 
-  assert.Equal(t, expected, str)
+	assert.Equal(t, expected, str)
 }
diff --git a/algorithm/lzw-compression.go b/algorithm/lzw-compression.go
index cd2ffb6..4192970 100644
--- a/algorithm/lzw-compression.go
+++ b/algorithm/lzw-compression.go
@@ -2,7 +2,7 @@ package algorithm
 
 func CompressLZW(str string) []int {
 	code := 256
-  dict := make(map[string]int)
+	dict := make(map[string]int)
 	for i := 0; i < 256; i++ {
 		dict[string(rune(i))] = i
 	}